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Update.
2002-12-15 Ulrich Drepper <drepper@redhat.com> * sysdeps/generic/sysdep-cancel.h: Add dummy definitions for SINGLE_THREAD_P, LIBC_CANCEL_ASYNC, and LIBC_CANCEL_RESET. * sysdeps/unix/sysv/linux/open64.c: New file. * sysdeps/generic/pselect.c: Add support for cancellation handling. * sysdeps/posix/open64.c: Likewise. * sysdeps/posix/sigpause.c: Likewise. * sysdeps/posix/sigwait.c: Likewise. * sysdeps/posix/system.c: Likewise. * sysdeps/posix/waitid.c: Likewise. * sysdeps/unix/sysv/linux/accept.S: Likewise. * sysdeps/unix/sysv/linux/connect.S: Likewise. * sysdeps/unix/sysv/linux/llseek.c: Likewise. * sysdeps/unix/sysv/linux/msgrcv.c: Likewise. * sysdeps/unix/sysv/linux/msgsnd.c: Likewise. * sysdeps/unix/sysv/linux/poll.c: Likewise. * sysdeps/unix/sysv/linux/pread.c: Likewise. * sysdeps/unix/sysv/linux/pread64.c: Likewise. * sysdeps/unix/sysv/linux/pwrite.c: Likewise. * sysdeps/unix/sysv/linux/pwrite64.c: Likewise. * sysdeps/unix/sysv/linux/readv.c: Likewise. * sysdeps/unix/sysv/linux/recv.S: Likewise. * sysdeps/unix/sysv/linux/recvfrom.S: Likewise. * sysdeps/unix/sysv/linux/recvmsg.S: Likewise. * sysdeps/unix/sysv/linux/send.S: Likewise. * sysdeps/unix/sysv/linux/sendmsg.S: Likewise. * sysdeps/unix/sysv/linux/sendto.S: Likewise. * sysdeps/unix/sysv/linux/sigsuspend.c: Likewise. * sysdeps/unix/sysv/linux/sigtimedwait.c: Likewise. * sysdeps/unix/sysv/linux/sigwait.c: Likewise. * sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise. * sysdeps/unix/sysv/linux/tcdrain.c: Likewise. * sysdeps/unix/sysv/linux/wait.c: Likewise. * sysdeps/unix/sysv/linux/waitpid.c: Likewise. * sysdeps/unix/sysv/linux/writev.c: Likewise. * sysdeps/unix/sysv/linux/i386/fcntl.c: Likewise. * sysdeps/unix/sysv/linux/i386/socket.S: Likewise.
This commit is contained in:
Ulrich Drepper
parent
2fb6444dbb
commit
6ee8d33456
41
ChangeLog
41
ChangeLog
@ -1,3 +1,44 @@
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2002-12-15 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/generic/sysdep-cancel.h: Add dummy definitions for
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SINGLE_THREAD_P, LIBC_CANCEL_ASYNC, and LIBC_CANCEL_RESET.
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* sysdeps/unix/sysv/linux/open64.c: New file.
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* sysdeps/generic/pselect.c: Add support for cancellation handling.
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* sysdeps/posix/open64.c: Likewise.
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* sysdeps/posix/sigpause.c: Likewise.
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* sysdeps/posix/sigwait.c: Likewise.
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* sysdeps/posix/system.c: Likewise.
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* sysdeps/posix/waitid.c: Likewise.
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* sysdeps/unix/sysv/linux/accept.S: Likewise.
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* sysdeps/unix/sysv/linux/connect.S: Likewise.
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* sysdeps/unix/sysv/linux/llseek.c: Likewise.
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* sysdeps/unix/sysv/linux/msgrcv.c: Likewise.
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* sysdeps/unix/sysv/linux/msgsnd.c: Likewise.
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* sysdeps/unix/sysv/linux/poll.c: Likewise.
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* sysdeps/unix/sysv/linux/pread.c: Likewise.
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* sysdeps/unix/sysv/linux/pread64.c: Likewise.
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* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
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* sysdeps/unix/sysv/linux/pwrite64.c: Likewise.
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* sysdeps/unix/sysv/linux/readv.c: Likewise.
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* sysdeps/unix/sysv/linux/recv.S: Likewise.
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* sysdeps/unix/sysv/linux/recvfrom.S: Likewise.
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* sysdeps/unix/sysv/linux/recvmsg.S: Likewise.
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* sysdeps/unix/sysv/linux/send.S: Likewise.
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* sysdeps/unix/sysv/linux/sendmsg.S: Likewise.
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* sysdeps/unix/sysv/linux/sendto.S: Likewise.
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* sysdeps/unix/sysv/linux/sigsuspend.c: Likewise.
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* sysdeps/unix/sysv/linux/sigtimedwait.c: Likewise.
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* sysdeps/unix/sysv/linux/sigwait.c: Likewise.
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* sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise.
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* sysdeps/unix/sysv/linux/tcdrain.c: Likewise.
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* sysdeps/unix/sysv/linux/wait.c: Likewise.
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* sysdeps/unix/sysv/linux/waitpid.c: Likewise.
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* sysdeps/unix/sysv/linux/writev.c: Likewise.
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* sysdeps/unix/sysv/linux/i386/fcntl.c: Likewise.
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* sysdeps/unix/sysv/linux/i386/socket.S: Likewise.
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2002-12-14 Jakub Jelinek <jakub@redhat.com>
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* sysdeps/generic/sysdep-cancel.h: New file.
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@ -1,3 +1,9 @@
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2002-12-15 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h: Define
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SINGLE_THREAD_P. If in libc or libpthread examine multiple_thread
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member of thread decriptor, otherwise return unconditionally 1.
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2002-12-14 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/unix/sysv/linux/i386/pt-socket.S: Changes folded into the
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@ -19,11 +19,14 @@
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#include <sysdep.h>
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#include <tls.h>
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#ifndef ASSEMBLER
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# include <nptl/pthreadP.h>
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#endif
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#if !defined NOT_IN_libc || defined IS_IN_libpthread
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#undef PSEUDO
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#define PSEUDO(name, syscall_name, args) \
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# undef PSEUDO
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# define PSEUDO(name, syscall_name, args) \
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.text; \
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ENTRY (name) \
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cmpl $0, %gs:MULTIPLE_THREADS_OFFSET; \
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@ -33,7 +36,7 @@
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jae SYSCALL_ERROR_LABEL; \
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ret; \
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L(pseudo_cancel): \
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call __libc_enable_asynccancel; \
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CENABLE \
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SAVE_OLDTYPE_##args \
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PUSHARGS_##args \
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DOCARGS_##args \
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@ -45,26 +48,41 @@
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jae SYSCALL_ERROR_LABEL; \
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L(pseudo_end):
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#define SAVE_OLDTYPE_0 movl %eax, %ecx;
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#define SAVE_OLDTYPE_1 SAVE_OLDTYPE_0
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#define SAVE_OLDTYPE_2 pushl %eax;
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#define SAVE_OLDTYPE_3 SAVE_OLDTYPE_2
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#define SAVE_OLDTYPE_4 SAVE_OLDTYPE_2
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#define SAVE_OLDTYPE_5 SAVE_OLDTYPE_2
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# define SAVE_OLDTYPE_0 movl %eax, %edx;
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# define SAVE_OLDTYPE_1 SAVE_OLDTYPE_0
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# define SAVE_OLDTYPE_2 pushl %eax;
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# define SAVE_OLDTYPE_3 SAVE_OLDTYPE_2
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# define SAVE_OLDTYPE_4 SAVE_OLDTYPE_2
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# define SAVE_OLDTYPE_5 SAVE_OLDTYPE_2
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#define DOCARGS_0 DOARGS_0
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#define DOCARGS_1 DOARGS_1
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#define DOCARGS_2 _DOARGS_2 (12)
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#define DOCARGS_3 _DOARGS_3 (20)
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#define DOCARGS_4 _DOARGS_4 (28)
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#define DOCARGS_5 _DOARGS_5 (36)
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# define DOCARGS_0 DOARGS_0
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# define DOCARGS_1 DOARGS_1
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# define DOCARGS_2 _DOARGS_2 (12)
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# define DOCARGS_3 _DOARGS_3 (20)
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# define DOCARGS_4 _DOARGS_4 (28)
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# define DOCARGS_5 _DOARGS_5 (36)
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#define DISABLE call __libc_disable_asynccancel
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#define POPCARGS_0 pushl %eax; movl %ecx, %eax; DISABLE; popl %eax;
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#define POPCARGS_1 POPCARGS_0
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#define POPCARGS_2 xchgl (%esp), %eax; DISABLE; popl %eax;
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#define POPCARGS_3 POPCARGS_2
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#define POPCARGS_4 POPCARGS_2
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#define POPCARGS_5 POPCARGS_2
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# ifdef IS_IN_libpthread
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# define CENABLE call __pthread_enable_asynccancel;
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# define CDISABLE call __pthread_disable_asynccancel
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# else
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# define CENABLE call __libc_enable_asynccancel;
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# define CDISABLE call __libc_disable_asynccancel
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# endif
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# define POPCARGS_0 pushl %eax; movl %ecx, %eax; CDISABLE; popl %eax;
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# define POPCARGS_1 POPCARGS_0
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# define POPCARGS_2 xchgl (%esp), %eax; CDISABLE; popl %eax;
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# define POPCARGS_3 POPCARGS_2
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# define POPCARGS_4 POPCARGS_2
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# define POPCARGS_5 POPCARGS_2
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# define SINGLE_THREAD_P \
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__builtin_expect (THREAD_GETMEM (THREAD_SELF, \
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header.data.multiple_threads) == 0, 1)
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#else
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/* This code should never be used but we define it anyhow. */
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# define SINGLE_THREAD_P (1)
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#endif
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@ -22,6 +22,7 @@
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#include <stddef.h> /* For NULL. */
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#include <sys/time.h>
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#include <sys/select.h>
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#include <sysdep-cancel.h>
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/* Check the first NFDS descriptors each in READFDS (if not NULL) for read
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readiness, in WRITEFDS (if not NULL) for write readiness, and in EXCEPTFDS
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after waiting the interval specified therein. Additionally set the sigmask
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SIGMASK for this call. Returns the number of ready descriptors, or -1 for
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errors. */
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int
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__pselect (nfds, readfds, writefds, exceptfds, timeout, sigmask)
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int nfds;
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fd_set *readfds;
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fd_set *writefds;
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fd_set *exceptfds;
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const struct timespec *timeout;
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const sigset_t *sigmask;
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static int
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do_pselect (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
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const struct timespec *timeout, const sigset_t *sigmask)
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{
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struct timeval tval;
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int retval;
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@ -62,5 +58,28 @@ __pselect (nfds, readfds, writefds, exceptfds, timeout, sigmask)
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return retval;
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}
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int
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__pselect (nfds, readfds, writefds, exceptfds, timeout, sigmask)
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int nfds;
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fd_set *readfds;
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fd_set *writefds;
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fd_set *exceptfds;
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const struct timespec *timeout;
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const sigset_t *sigmask;
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{
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if (SINGLE_THREAD_P)
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return do_pselect (nfds, readfds, writefds, exceptfds, timeout, sigmask);
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int oldtype = LIBC_CANCEL_ASYNC ();
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int result = do_pselect (nfds, readfds, writefds, exceptfds, timeout,
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sigmask);
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LIBC_CANCEL_RESET (oldtype);
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return result;
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}
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weak_alias (__pselect, pselect)
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strong_alias (__pselect, __libc_pselect)
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@ -1 +1,6 @@
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#include <sysdep.h>
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/* No multi-thread handling enabled. */
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#define SINGLE_THREAD_P (1)
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#define LIBC_CANCEL_ASYNC() 0 /* Just a dummy value. */
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#define LIBC_CANCEL_RESET(val) /* Nothing. */
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@ -19,6 +19,7 @@
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#include <fcntl.h>
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#include <stdarg.h>
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#include <bp-sym.h>
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#include <sysdep-cancel.h>
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/* Open FILE with access OFLAG. If OFLAG includes O_CREAT,
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a third argument is the file protection. */
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@ -35,7 +36,16 @@ __libc_open64 (const char *file, int oflag, ...)
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va_end (arg);
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}
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return __libc_open (file, oflag | O_LARGEFILE, mode);
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if (SINGLE_THREAD_P)
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return __libc_open (file, oflag | O_LARGEFILE, mode);
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int oldtype = LIBC_CANCEL_ASYNC ();
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int result = __libc_open (file, oflag | O_LARGEFILE, mode);
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LIBC_CANCEL_RESET (oldtype);
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return result;
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}
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weak_alias (__libc_open64, BP_SYM (__open64))
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libc_hidden_weak (BP_SYM (__open64))
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@ -19,13 +19,14 @@
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#include <errno.h>
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#include <signal.h>
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#include <stddef.h> /* For NULL. */
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#include <sysdep-cancel.h>
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#include <sigset-cvt-mask.h>
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/* Set the mask of blocked signals to MASK,
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wait for a signal to arrive, and then restore the mask. */
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int
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__sigpause (int sig_or_mask, int is_sig)
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static int
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do_sigpause (int sig_or_mask, int is_sig)
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{
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sigset_t set;
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@ -42,6 +43,21 @@ __sigpause (int sig_or_mask, int is_sig)
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return __sigsuspend (&set);
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}
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int
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__sigpause (int sig_or_mask, int is_sig)
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{
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if (SINGLE_THREAD_P)
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return do_sigpause (sig_or_mask, is_sig);
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int oldtype = LIBC_CANCEL_ASYNC ();
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int result = do_sigpause (sig_or_mask, is_sig);
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LIBC_CANCEL_RESET (oldtype);
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return result;
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}
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libc_hidden_def (__sigpause)
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/* We have to provide a default version of this function since the
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@ -1,5 +1,5 @@
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/* Implementation of sigwait function from POSIX.1c.
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Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
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Copyright (C) 1996, 1997, 1999, 2000, 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
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@ -21,6 +21,7 @@
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#include <errno.h>
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#include <signal.h>
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#include <stddef.h> /* For NULL. */
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#include <sysdep-cancel.h>
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/* This is our dummy signal handler we use here. */
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static void ignore_signal (int sig);
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@ -31,8 +32,8 @@ static void ignore_signal (int sig);
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static int was_sig;
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int
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__sigwait (const sigset_t *set, int *sig)
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static int
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do_sigwait (const sigset_t *set, int *sig)
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{
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sigset_t tmp_mask;
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struct sigaction saved[NSIG];
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@ -80,6 +81,22 @@ __sigwait (const sigset_t *set, int *sig)
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*sig = was_sig;
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return was_sig == -1 ? -1 : 0;
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}
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int
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__sigwait (const sigset_t *set, int *sig)
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{
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if (SINGLE_THREAD_P)
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return do_sigwait (set, sig);
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int oldtype = LIBC_CANCEL_ASYNC ();
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int result = do_sigwait (set, sig);
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LIBC_CANCEL_RESET (oldtype);
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return result;
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}
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libc_hidden_def (__sigwait)
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weak_alias (__sigwait, sigwait)
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@ -24,6 +24,7 @@
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <bits/libc-lock.h>
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#include <sysdep-cancel.h>
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#ifndef HAVE_GNU_LD
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@ -185,6 +186,15 @@ __libc_system (const char *line)
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not be available after a chroot(), for example. */
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return do_system ("exit 0") == 0;
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|
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return do_system (line);
|
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if (SINGLE_THREAD_P)
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return do_system (line);
|
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|
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int oldtype = LIBC_CANCEL_ASYNC ();
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int result = do_system (line);
|
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LIBC_CANCEL_RESET (oldtype);
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|
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return result;
|
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}
|
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weak_alias (__libc_system, system)
|
||||
|
||||
@ -18,21 +18,18 @@
|
||||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA. */
|
||||
|
||||
#include <assert.h>
|
||||
#include <errno.h>
|
||||
#include <signal.h>
|
||||
#define __need_NULL
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||||
#include <stddef.h>
|
||||
#include <sys/wait.h>
|
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#include <sys/types.h>
|
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#include <sysdep-cancel.h>
|
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|
||||
#include <assert.h>
|
||||
|
||||
int
|
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__waitid (idtype, id, infop, options)
|
||||
idtype_t idtype;
|
||||
id_t id;
|
||||
siginfo_t *infop;
|
||||
int options;
|
||||
static int
|
||||
do_waitid (idtype_t idtype, id_t id, siginfo_t *infop, int options)
|
||||
{
|
||||
pid_t pid, child;
|
||||
int status;
|
||||
@ -118,5 +115,25 @@ __waitid (idtype, id, infop, options)
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
__waitid (idtype, id, infop, options)
|
||||
idtype_t idtype;
|
||||
id_t id;
|
||||
siginfo_t *infop;
|
||||
int options;
|
||||
{
|
||||
if (SINGLE_THREAD_P)
|
||||
return do_waitid (idtype, id, infop, options);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
int result = do_waitid (idtype, id, infop, options);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
weak_alias (__waitid, waitid)
|
||||
strong_alias (__waitid, __libc_waitid)
|
||||
|
||||
@ -1,4 +1,5 @@
|
||||
#define socket accept
|
||||
#define __socket __libc_accept
|
||||
#define NARGS 3
|
||||
#define NEED_CANCELLATION
|
||||
#include <socket.S>
|
||||
|
||||
@ -1,6 +1,7 @@
|
||||
#define socket connect
|
||||
#define __socket __libc_connect
|
||||
#define NARGS 3
|
||||
#define NEED_CANCELLATION
|
||||
#include <socket.S>
|
||||
strong_alias (__libc_connect, __connect_internal)
|
||||
weak_alias (__libc_connect, __connect)
|
||||
|
||||
@ -21,7 +21,7 @@
|
||||
#include <fcntl.h>
|
||||
#include <stdarg.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <sys/syscall.h>
|
||||
#include "../kernel-features.h"
|
||||
|
||||
@ -33,21 +33,11 @@ extern int __syscall_fcntl64 (int __fd, int __cmd, ...);
|
||||
#if __ASSUME_FCNTL64 == 0
|
||||
/* This variable is shared with all files that check for fcntl64. */
|
||||
int __have_no_fcntl64;
|
||||
#endif
|
||||
|
||||
|
||||
int
|
||||
__libc_fcntl (int fd, int cmd, ...)
|
||||
{
|
||||
va_list ap;
|
||||
void *arg;
|
||||
|
||||
va_start (ap, cmd);
|
||||
arg = va_arg (ap, void *);
|
||||
va_end (ap);
|
||||
|
||||
#if __ASSUME_FCNTL64 > 0
|
||||
return INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
|
||||
#else
|
||||
# ifdef __NR_fcntl64
|
||||
if (! __have_no_fcntl64)
|
||||
{
|
||||
@ -128,7 +118,39 @@ __libc_fcntl (int fd, int cmd, ...)
|
||||
return INLINE_SYSCALL (fcntl, 3, fd, cmd, arg);
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
#endif /* __ASSUME_FCNTL64 */
|
||||
|
||||
|
||||
int
|
||||
__libc_fcntl (int fd, int cmd, ...)
|
||||
{
|
||||
va_list ap;
|
||||
void *arg;
|
||||
|
||||
va_start (ap, cmd);
|
||||
arg = va_arg (ap, void *);
|
||||
va_end (ap);
|
||||
|
||||
#if __ASSUME_FCNTL64 > 0
|
||||
if (SINGLE_THREAD_P)
|
||||
return INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
int result = INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
|
||||
#else
|
||||
if (SINGLE_THREAD_P)
|
||||
return do_fcntl (fd, cmd, arg);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
int result = do_fcntl (fd, cmd, arg);
|
||||
#endif
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
libc_hidden_def (__libc_fcntl)
|
||||
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1995, 1996, 1997, 1998, 2002 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -16,8 +16,9 @@
|
||||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <socketcall.h>
|
||||
#include <tls.h>
|
||||
|
||||
#define P(a, b) P2(a, b)
|
||||
#define P2(a, b) a##b
|
||||
@ -32,15 +33,19 @@
|
||||
The .S files for the other calls just #define socket and #include this. */
|
||||
|
||||
#ifndef __socket
|
||||
#ifndef NO_WEAK_ALIAS
|
||||
#define __socket P(__,socket)
|
||||
#else
|
||||
#define __socket socket
|
||||
#endif
|
||||
# ifndef NO_WEAK_ALIAS
|
||||
# define __socket P(__,socket)
|
||||
# else
|
||||
# define __socket socket
|
||||
# endif
|
||||
#endif
|
||||
|
||||
.globl __socket
|
||||
ENTRY (__socket)
|
||||
#if defined NEED_CANCELLATION && defined CENABLE
|
||||
cmpl $0, %gs:MULTIPLE_THREADS_OFFSET
|
||||
jne 1f
|
||||
#endif
|
||||
|
||||
/* Save registers. */
|
||||
movl %ebx, %edx
|
||||
@ -65,6 +70,43 @@ ENTRY (__socket)
|
||||
L(pseudo_end):
|
||||
ret
|
||||
|
||||
|
||||
#if defined NEED_CANCELLATION && defined CENABLE
|
||||
/* We need one more register. */
|
||||
1: pushl %esi
|
||||
|
||||
/* Enable asynchronous cancellation. */
|
||||
call __libc_enable_asynccancel /* No @plt */
|
||||
movl %eax, %esi
|
||||
|
||||
/* Save registers. */
|
||||
movl %ebx, %edx
|
||||
|
||||
movl $SYS_ify(socketcall), %eax /* System call number in %eax. */
|
||||
|
||||
/* Use ## so `socket' is a separate token that might be #define'd. */
|
||||
movl $P(SOCKOP_,socket), %ebx /* Subcode is first arg to syscall. */
|
||||
lea 8(%esp), %ecx /* Address of args is 2nd arg. */
|
||||
|
||||
/* Do the system call trap. */
|
||||
int $0x80
|
||||
|
||||
/* Restore the cancellation. */
|
||||
xchgl %esi, %eax
|
||||
call __libc_disable_asynccancel /* No @plt */
|
||||
|
||||
/* Restore registers. */
|
||||
movl %esi, %eax
|
||||
movl %edx, %ebx
|
||||
popl %esi
|
||||
|
||||
/* %eax is < 0 if there was an error. */
|
||||
cmpl $-125, %eax
|
||||
jae SYSCALL_ERROR_LABEL
|
||||
|
||||
/* Successful; return the syscall's value. */
|
||||
ret
|
||||
#endif
|
||||
PSEUDO_END (__socket)
|
||||
|
||||
#ifndef NO_WEAK_ALIAS
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/* Long-long seek operation.
|
||||
Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
|
||||
Copyright (C) 1996,1997,1998,1999,2000,2002 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -20,7 +20,7 @@
|
||||
#include <errno.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <sys/syscall.h>
|
||||
|
||||
extern int __syscall__llseek (int fd, off_t offset_hi, off_t offset_lo,
|
||||
@ -32,11 +32,22 @@ extern loff_t __llseek (int fd, loff_t offset, int whence);
|
||||
loff_t
|
||||
__llseek (int fd, loff_t offset, int whence)
|
||||
{
|
||||
loff_t result;
|
||||
loff_t retval;
|
||||
|
||||
return (loff_t) (INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32),
|
||||
(off_t) (offset & 0xffffffff),
|
||||
__ptrvalue (&result), whence) ?: result);
|
||||
if (SINGLE_THREAD_P)
|
||||
return (loff_t) (INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32),
|
||||
(off_t) (offset & 0xffffffff),
|
||||
__ptrvalue (&retval), whence) ?: retval);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
int result = (loff_t) INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32),
|
||||
(off_t) (offset & 0xffffffff),
|
||||
__ptrvalue (&retval), whence);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return (loff_t) result ?: retval;
|
||||
}
|
||||
weak_alias (__llseek, llseek)
|
||||
strong_alias (__llseek, __libc_lseek64)
|
||||
|
||||
@ -21,7 +21,7 @@
|
||||
#include <sys/msg.h>
|
||||
#include <ipc_priv.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <sys/syscall.h>
|
||||
|
||||
#include <bp-checks.h>
|
||||
@ -50,6 +50,17 @@ __libc_msgrcv (msqid, msgp, msgsz, msgtyp, msgflg)
|
||||
tmp.msgp = CHECK_N (msgp, msgsz);
|
||||
tmp.msgtyp = msgtyp;
|
||||
|
||||
return INLINE_SYSCALL (ipc, 5, IPCOP_msgrcv, msqid, msgsz, msgflg, __ptrvalue (&tmp));
|
||||
if (SINGLE_THREAD_P)
|
||||
return INLINE_SYSCALL (ipc, 5, IPCOP_msgrcv, msqid, msgsz, msgflg,
|
||||
__ptrvalue (&tmp));
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
int result = INLINE_SYSCALL (ipc, 5, IPCOP_msgrcv, msqid, msgsz, msgflg,
|
||||
__ptrvalue (&tmp));
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
weak_alias (__libc_msgrcv, msgrcv)
|
||||
|
||||
@ -21,7 +21,7 @@
|
||||
#include <sys/msg.h>
|
||||
#include <ipc_priv.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <sys/syscall.h>
|
||||
|
||||
#include <bp-checks.h>
|
||||
@ -33,7 +33,17 @@ __libc_msgsnd (msqid, msgp, msgsz, msgflg)
|
||||
size_t msgsz;
|
||||
int msgflg;
|
||||
{
|
||||
return INLINE_SYSCALL (ipc, 5, IPCOP_msgsnd, msqid, msgsz,
|
||||
msgflg, (void *) CHECK_N (msgp, msgsz));
|
||||
if (SINGLE_THREAD_P)
|
||||
return INLINE_SYSCALL (ipc, 5, IPCOP_msgsnd, msqid, msgsz,
|
||||
msgflg, (void *) CHECK_N (msgp, msgsz));
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
int result = INLINE_SYSCALL (ipc, 5, IPCOP_msgsnd, msqid, msgsz,
|
||||
msgflg, (void *) CHECK_N (msgp, msgsz));
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
weak_alias (__libc_msgsnd, msgsnd)
|
||||
|
||||
53
sysdeps/unix/sysv/linux/open64.c
Normal file
53
sysdeps/unix/sysv/linux/open64.c
Normal file
@ -0,0 +1,53 @@
|
||||
/* Copyright (C) 1991,1995-1997,1999,2000,2002 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, write to the Free
|
||||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA. */
|
||||
|
||||
#include <errno.h>
|
||||
#include <fcntl.h>
|
||||
#include <stdarg.h>
|
||||
#include <bp-sym.h>
|
||||
#include <sysdep-cancel.h>
|
||||
|
||||
/* Open FILE with access OFLAG. If OFLAG includes O_CREAT,
|
||||
a third argument is the file protection. */
|
||||
int
|
||||
__libc_open64 (const char *file, int oflag, ...)
|
||||
{
|
||||
int mode = 0;
|
||||
|
||||
if (oflag & O_CREAT)
|
||||
{
|
||||
va_list arg;
|
||||
va_start (arg, oflag);
|
||||
mode = va_arg (arg, int);
|
||||
va_end (arg);
|
||||
}
|
||||
|
||||
if (SINGLE_THREAD_P)
|
||||
return INLINE_SYSCALL (open, 3, file, oflag | O_LARGEFILE, mode);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
int result = INLINE_SYSCALL (open, 3, file, oflag | O_LARGEFILE, mode);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
weak_alias (__libc_open64, BP_SYM (__open64))
|
||||
libc_hidden_weak (BP_SYM (__open64))
|
||||
weak_alias (__libc_open64, BP_SYM (open64))
|
||||
@ -20,7 +20,7 @@
|
||||
#include <errno.h>
|
||||
#include <sys/poll.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <sys/syscall.h>
|
||||
#include <bp-checks.h>
|
||||
|
||||
@ -36,20 +36,19 @@ static int __emulate_poll (struct pollfd *fds, nfds_t nfds,
|
||||
int timeout) internal_function;
|
||||
# endif
|
||||
|
||||
/* The real implementation. */
|
||||
int
|
||||
__poll (fds, nfds, timeout)
|
||||
struct pollfd *fds;
|
||||
nfds_t nfds;
|
||||
int timeout;
|
||||
{
|
||||
|
||||
# if __ASSUME_POLL_SYSCALL == 0
|
||||
/* For loser kernels. */
|
||||
static int
|
||||
loser_poll (struct pollfd *fds, nfds_t nfds, int timeout)
|
||||
{
|
||||
static int must_emulate;
|
||||
|
||||
if (!must_emulate)
|
||||
{
|
||||
int errno_saved = errno;
|
||||
int retval = INLINE_SYSCALL (poll, 3, CHECK_N (fds, nfds), nfds, timeout);
|
||||
int retval = INLINE_SYSCALL (poll, 3, CHECK_N (fds, nfds), nfds,
|
||||
timeout);
|
||||
|
||||
if (retval >= 0 || errno != ENOSYS)
|
||||
return retval;
|
||||
@ -59,8 +58,39 @@ __poll (fds, nfds, timeout)
|
||||
}
|
||||
|
||||
return __emulate_poll (fds, nfds, timeout);
|
||||
}
|
||||
# endif
|
||||
|
||||
|
||||
/* The real implementation. */
|
||||
int
|
||||
__poll (fds, nfds, timeout)
|
||||
struct pollfd *fds;
|
||||
nfds_t nfds;
|
||||
int timeout;
|
||||
{
|
||||
# if __ASSUME_POLL_SYSCALL == 0
|
||||
if (SINGLE_THREAD_P)
|
||||
return loser_poll (CHECK_N (fds, nfds), nfds, timeout);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
int result = loser_poll (CHECK_N (fds, nfds), nfds, timeout);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
# else
|
||||
return INLINE_SYSCALL (poll, 3, CHECK_N (fds, nfds), nfds, timeout);
|
||||
if (SINGLE_THREAD_P)
|
||||
return INLINE_SYSCALL (poll, 3, CHECK_N (fds, nfds), nfds, timeout);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
int result = INLINE_SYSCALL (poll, 3, CHECK_N (fds, nfds), nfds, timeout);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
# endif
|
||||
}
|
||||
libc_hidden_def (__poll)
|
||||
|
||||
@ -22,7 +22,7 @@
|
||||
#include <endian.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <sys/syscall.h>
|
||||
#include <bp-checks.h>
|
||||
|
||||
@ -47,12 +47,8 @@ static ssize_t __emulate_pread (int fd, void *buf, size_t count,
|
||||
# endif
|
||||
|
||||
|
||||
ssize_t
|
||||
__libc_pread (fd, buf, count, offset)
|
||||
int fd;
|
||||
void *buf;
|
||||
size_t count;
|
||||
off_t offset;
|
||||
static ssize_t
|
||||
do_pread (int fd, void *buf, size_t count, off_t offset)
|
||||
{
|
||||
ssize_t result;
|
||||
|
||||
@ -69,6 +65,26 @@ __libc_pread (fd, buf, count, offset)
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
ssize_t
|
||||
__libc_pread (fd, buf, count, offset)
|
||||
int fd;
|
||||
void *buf;
|
||||
size_t count;
|
||||
off_t offset;
|
||||
{
|
||||
if (SINGLE_THREAD_P)
|
||||
return do_pread (fd, buf, count, offset);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
ssize_t result = do_pread (fd, buf, count, offset);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
strong_alias (__libc_pread, __pread)
|
||||
weak_alias (__libc_pread, pread)
|
||||
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1997, 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
|
||||
|
||||
@ -21,7 +21,7 @@
|
||||
#include <endian.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <sys/syscall.h>
|
||||
#include <bp-checks.h>
|
||||
|
||||
@ -45,12 +45,8 @@ static ssize_t __emulate_pread64 (int fd, void *buf, size_t count,
|
||||
# endif
|
||||
|
||||
|
||||
ssize_t
|
||||
__libc_pread64 (fd, buf, count, offset)
|
||||
int fd;
|
||||
void *buf;
|
||||
size_t count;
|
||||
off64_t offset;
|
||||
static ssize_t
|
||||
do_pread64 (int fd, void *buf, size_t count, off64_t offset)
|
||||
{
|
||||
ssize_t result;
|
||||
|
||||
@ -67,6 +63,26 @@ __libc_pread64 (fd, buf, count, offset)
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
ssize_t
|
||||
__libc_pread64 (fd, buf, count, offset)
|
||||
int fd;
|
||||
void *buf;
|
||||
size_t count;
|
||||
off64_t offset;
|
||||
{
|
||||
if (SINGLE_THREAD_P)
|
||||
return do_pread64 (fd, buf, count, offset);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
ssize_t result = do_pread64 (fd, buf, count, offset);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
weak_alias (__libc_pread64, __pread64)
|
||||
weak_alias (__libc_pread64, pread64)
|
||||
|
||||
|
||||
@ -22,7 +22,7 @@
|
||||
#include <endian.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <sys/syscall.h>
|
||||
#include <bp-checks.h>
|
||||
|
||||
@ -38,8 +38,9 @@
|
||||
#if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0
|
||||
|
||||
/* The order of hi, lo depends on endianness. */
|
||||
extern ssize_t __syscall_pwrite (int fd, const void *__unbounded buf, size_t count,
|
||||
off_t offset_hi, off_t offset_lo);
|
||||
extern ssize_t __syscall_pwrite (int fd, const void *__unbounded buf,
|
||||
size_t count, off_t offset_hi,
|
||||
off_t offset_lo);
|
||||
|
||||
# if __ASSUME_PWRITE_SYSCALL == 0
|
||||
static ssize_t __emulate_pwrite (int fd, const void *buf, size_t count,
|
||||
@ -47,12 +48,8 @@ static ssize_t __emulate_pwrite (int fd, const void *buf, size_t count,
|
||||
# endif
|
||||
|
||||
|
||||
ssize_t
|
||||
__libc_pwrite (fd, buf, count, offset)
|
||||
int fd;
|
||||
const void *buf;
|
||||
size_t count;
|
||||
off_t offset;
|
||||
static ssize_t
|
||||
do_pwrite (int fd, const void *buf, size_t count, off_t offset)
|
||||
{
|
||||
ssize_t result;
|
||||
|
||||
@ -69,6 +66,26 @@ __libc_pwrite (fd, buf, count, offset)
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
ssize_t
|
||||
__libc_pwrite (fd, buf, count, offset)
|
||||
int fd;
|
||||
const void *buf;
|
||||
size_t count;
|
||||
off_t offset;
|
||||
{
|
||||
if (SINGLE_THREAD_P)
|
||||
return do_pwrite (fd, buf, count, offset);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
ssize_t result = do_pwrite (fd, buf, count, offset);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
strong_alias (__libc_pwrite, __pwrite)
|
||||
weak_alias (__libc_pwrite, pwrite)
|
||||
|
||||
|
||||
@ -21,7 +21,7 @@
|
||||
#include <endian.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <sys/syscall.h>
|
||||
#include <bp-checks.h>
|
||||
|
||||
@ -45,12 +45,8 @@ static ssize_t __emulate_pwrite64 (int fd, const void *buf, size_t count,
|
||||
# endif
|
||||
|
||||
|
||||
ssize_t
|
||||
__libc_pwrite64 (fd, buf, count, offset)
|
||||
int fd;
|
||||
const void *buf;
|
||||
size_t count;
|
||||
off64_t offset;
|
||||
static ssize_t
|
||||
do_pwrite64 (int fd, const void *buf, size_t count, off64_t offset)
|
||||
{
|
||||
ssize_t result;
|
||||
|
||||
@ -67,6 +63,26 @@ __libc_pwrite64 (fd, buf, count, offset)
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
ssize_t
|
||||
__libc_pwrite64 (fd, buf, count, offset)
|
||||
int fd;
|
||||
const void *buf;
|
||||
size_t count;
|
||||
off64_t offset;
|
||||
{
|
||||
if (SINGLE_THREAD_P)
|
||||
return do_pwrite64 (fd, buf, count, offset);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
ssize_t result = do_pwrite64 (fd, buf, count, offset);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
weak_alias (__libc_pwrite64, __pwrite64)
|
||||
libc_hidden_weak (__pwrite64)
|
||||
weak_alias (__libc_pwrite64, pwrite64)
|
||||
|
||||
@ -22,7 +22,7 @@
|
||||
#include <sys/param.h>
|
||||
#include <sys/uio.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <sys/syscall.h>
|
||||
#include <bp-checks.h>
|
||||
|
||||
@ -39,8 +39,8 @@ static ssize_t __atomic_readv_replacement (int, __const struct iovec *,
|
||||
|
||||
/* We should deal with kernel which have a smaller UIO_FASTIOV as well
|
||||
as a very big count. */
|
||||
ssize_t
|
||||
__libc_readv (fd, vector, count)
|
||||
static ssize_t
|
||||
do_readv (fd, vector, count)
|
||||
int fd;
|
||||
const struct iovec *vector;
|
||||
int count;
|
||||
@ -54,6 +54,25 @@ __libc_readv (fd, vector, count)
|
||||
|
||||
return __atomic_readv_replacement (fd, vector, count);
|
||||
}
|
||||
|
||||
|
||||
ssize_t
|
||||
__libc_readv (fd, vector, count)
|
||||
int fd;
|
||||
const struct iovec *vector;
|
||||
int count;
|
||||
{
|
||||
if (SINGLE_THREAD_P)
|
||||
return do_readv (fd, vector, count);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
int result = do_readv (fd, vector, count);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
strong_alias (__libc_readv, __readv)
|
||||
weak_alias (__libc_readv, readv)
|
||||
|
||||
|
||||
@ -1,5 +1,6 @@
|
||||
#define socket recv
|
||||
#define __socket __libc_recv
|
||||
#define NARGS 4
|
||||
#define NEED_CANCELLATION
|
||||
#include <socket.S>
|
||||
weak_alias (__libc_recv, __recv)
|
||||
|
||||
@ -1,5 +1,6 @@
|
||||
#define socket recvfrom
|
||||
#define __socket __libc_recvfrom
|
||||
#define NARGS 6
|
||||
#define NEED_CANCELLATION
|
||||
#include <socket.S>
|
||||
weak_alias (__libc_recvfrom, __recvfrom)
|
||||
|
||||
@ -1,5 +1,6 @@
|
||||
#define socket recvmsg
|
||||
#define __socket __libc_recvmsg
|
||||
#define NARGS 3
|
||||
#define NEED_CANCELLATION
|
||||
#include <socket.S>
|
||||
weak_alias (__libc_recvmsg, __recvmsg)
|
||||
|
||||
@ -1,6 +1,7 @@
|
||||
#define socket send
|
||||
#define __socket __libc_send
|
||||
#define NARGS 4
|
||||
#define NEED_CANCELLATION
|
||||
#include <socket.S>
|
||||
weak_alias (__libc_send, __send)
|
||||
libc_hidden_def (__send)
|
||||
|
||||
@ -1,5 +1,6 @@
|
||||
#define socket sendmsg
|
||||
#define __socket __libc_sendmsg
|
||||
#define NARGS 3
|
||||
#define NEED_CANCELLATION
|
||||
#include <socket.S>
|
||||
weak_alias (__libc_sendmsg, __sendmsg)
|
||||
|
||||
@ -1,5 +1,6 @@
|
||||
#define socket sendto
|
||||
#define __socket __libc_sendto
|
||||
#define NARGS 6
|
||||
#define NEED_CANCELLATION
|
||||
#include <socket.S>
|
||||
weak_alias (__libc_sendto, __sendto)
|
||||
|
||||
@ -20,7 +20,7 @@
|
||||
#include <signal.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <sys/syscall.h>
|
||||
#include <bp-checks.h>
|
||||
|
||||
@ -30,20 +30,15 @@ extern int __syscall_sigsuspend (int, unsigned long int, unsigned long int);
|
||||
extern int __syscall_rt_sigsuspend (const sigset_t *__unbounded, size_t);
|
||||
|
||||
|
||||
#if !__ASSUME_REALTIME_SIGNALS
|
||||
/* The variable is shared between all wrappers around signal handling
|
||||
functions which have RT equivalents. The definition is in sigaction.c. */
|
||||
extern int __libc_missing_rt_sigs;
|
||||
|
||||
|
||||
/* Change the set of blocked signals to SET,
|
||||
wait until a signal arrives, and restore the set of blocked signals. */
|
||||
int
|
||||
__sigsuspend (set)
|
||||
const sigset_t *set;
|
||||
static int
|
||||
do_sigsuspend (const sigset_t *set)
|
||||
{
|
||||
#if __ASSUME_REALTIME_SIGNALS
|
||||
return INLINE_SYSCALL (rt_sigsuspend, 2, CHECK_SIGSET (set), _NSIG / 8);
|
||||
#else
|
||||
# ifdef __NR_rt_sigsuspend
|
||||
/* First try the RT signals. */
|
||||
if (!__libc_missing_rt_sigs)
|
||||
@ -62,6 +57,38 @@ __sigsuspend (set)
|
||||
# endif
|
||||
|
||||
return INLINE_SYSCALL (sigsuspend, 3, 0, 0, set->__val[0]);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Change the set of blocked signals to SET,
|
||||
wait until a signal arrives, and restore the set of blocked signals. */
|
||||
int
|
||||
__sigsuspend (set)
|
||||
const sigset_t *set;
|
||||
{
|
||||
#if __ASSUME_REALTIME_SIGNALS
|
||||
if (SINGLE_THREAD_P)
|
||||
return INLINE_SYSCALL (rt_sigsuspend, 2, CHECK_SIGSET (set), _NSIG / 8);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
int result = INLINE_SYSCALL (rt_sigsuspend, 2, CHECK_SIGSET (set),
|
||||
_NSIG / 8);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
#else
|
||||
if (SINGLE_THREAD_P)
|
||||
return do_sigsuspend (set);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
int result = do_sigsuspend (set);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
#endif
|
||||
}
|
||||
libc_hidden_def (__sigsuspend)
|
||||
|
||||
@ -19,7 +19,7 @@
|
||||
#include <errno.h>
|
||||
#include <signal.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <sys/syscall.h>
|
||||
#include <bp-checks.h>
|
||||
|
||||
@ -35,10 +35,22 @@ __sigtimedwait (set, info, timeout)
|
||||
siginfo_t *info;
|
||||
const struct timespec *timeout;
|
||||
{
|
||||
if (SINGLE_THREAD_P)
|
||||
/* XXX The size argument hopefully will have to be changed to the
|
||||
real size of the user-level sigset_t. */
|
||||
return INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set),
|
||||
CHECK_1 (info), timeout, _NSIG / 8);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
/* XXX The size argument hopefully will have to be changed to the
|
||||
real size of the user-level sigset_t. */
|
||||
return INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set),
|
||||
CHECK_1 (info), timeout, _NSIG / 8);
|
||||
int result = INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set),
|
||||
CHECK_1 (info), timeout, _NSIG / 8);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
libc_hidden_def (__sigtimedwait)
|
||||
weak_alias (__sigtimedwait, sigtimedwait)
|
||||
|
||||
@ -21,7 +21,7 @@
|
||||
#define __need_NULL
|
||||
#include <stddef.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <sys/syscall.h>
|
||||
#include <bp-checks.h>
|
||||
|
||||
@ -31,10 +31,8 @@ extern int __syscall_rt_sigtimedwait (const sigset_t *__unbounded, siginfo_t *__
|
||||
|
||||
|
||||
/* Return any pending signal or wait for one for the given time. */
|
||||
int
|
||||
__sigwait (set, sig)
|
||||
const sigset_t *set;
|
||||
int *sig;
|
||||
static int
|
||||
do_sigwait (const sigset_t *set, int *sig)
|
||||
{
|
||||
int ret;
|
||||
|
||||
@ -64,6 +62,23 @@ __sigwait (set, sig)
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int
|
||||
__sigwait (set, sig)
|
||||
const sigset_t *set;
|
||||
int *sig;
|
||||
{
|
||||
if (SINGLE_THREAD_P)
|
||||
return do_sigwait (set, sig);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
int result = do_sigwait (set, sig);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
libc_hidden_def (__sigwait)
|
||||
weak_alias (__sigwait, sigwait)
|
||||
#else
|
||||
|
||||
@ -21,7 +21,7 @@
|
||||
#define __need_NULL
|
||||
#include <stddef.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <sys/syscall.h>
|
||||
#include <bp-checks.h>
|
||||
|
||||
@ -36,10 +36,22 @@ __sigwaitinfo (set, info)
|
||||
const sigset_t *set;
|
||||
siginfo_t *info;
|
||||
{
|
||||
if (SINGLE_THREAD_P)
|
||||
/* XXX The size argument hopefully will have to be changed to the
|
||||
real size of the user-level sigset_t. */
|
||||
return INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set),
|
||||
CHECK_1 (info), NULL, _NSIG / 8);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
/* XXX The size argument hopefully will have to be changed to the
|
||||
real size of the user-level sigset_t. */
|
||||
return INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set),
|
||||
CHECK_1 (info), NULL, _NSIG / 8);
|
||||
int result = INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set),
|
||||
CHECK_1 (info), NULL, _NSIG / 8);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
libc_hidden_def (__sigwaitinfo)
|
||||
weak_alias (__sigwaitinfo, sigwaitinfo)
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1995, 1996, 1997, 2002 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -16,14 +16,26 @@
|
||||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA. */
|
||||
|
||||
#include <errno.h>
|
||||
#include <termios.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <sysdep-cancel.h>
|
||||
|
||||
/* Wait for pending output to be written on FD. */
|
||||
int
|
||||
__libc_tcdrain (int fd)
|
||||
{
|
||||
if (SINGLE_THREAD_P)
|
||||
/* With an argument of 1, TCSBRK for output to be drain. */
|
||||
return INLINE_SYSCALL (ioctl, 3, fd, TCSBRK, 1);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
/* With an argument of 1, TCSBRK for output to be drain. */
|
||||
return __ioctl (fd, TCSBRK, 1);
|
||||
int result = INLINE_SYSCALL (ioctl, 3, fd, TCSBRK, 1);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
weak_alias (__libc_tcdrain, tcdrain)
|
||||
|
||||
@ -1 +1,47 @@
|
||||
#include <sysdeps/unix/bsd/bsd4.4/wait.c>
|
||||
/* Copyright (C) 1991, 1995, 1996, 1997, 2002 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, write to the Free
|
||||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA. */
|
||||
|
||||
#include <sys/wait.h>
|
||||
#include <errno.h>
|
||||
#include <sys/resource.h>
|
||||
#include <stddef.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <nptl/pthreadP.h>
|
||||
#include <tls.h>
|
||||
|
||||
/* Wait for a child to die. When one does, put its status in *STAT_LOC
|
||||
and return its process ID. For errors, return (pid_t) -1. */
|
||||
__pid_t
|
||||
__libc_wait (__WAIT_STATUS_DEFN stat_loc)
|
||||
{
|
||||
if (SINGLE_THREAD_P)
|
||||
return INLINE_SYSCALL (wait4, 4, WAIT_ANY, stat_loc, 0,
|
||||
(struct rusage *) NULL);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
int result = INLINE_SYSCALL (wait4, 4, WAIT_ANY, stat_loc, 0,
|
||||
(struct rusage *) NULL);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
weak_alias (__libc_wait, __wait)
|
||||
weak_alias (__libc_wait, wait)
|
||||
|
||||
@ -16,14 +16,26 @@
|
||||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <errno.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <stdlib.h>
|
||||
#include <sys/wait.h>
|
||||
#include <nptl/pthreadP.h>
|
||||
#include <tls.h>
|
||||
|
||||
__pid_t
|
||||
__libc_waitpid (__pid_t pid, int *stat_loc, int options)
|
||||
{
|
||||
return __wait4 (pid, stat_loc, options, NULL);
|
||||
if (SINGLE_THREAD_P)
|
||||
return INLINE_SYSCALL (wait4, 4, pid, stat_loc, options, NULL);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
int result = INLINE_SYSCALL (wait4, 4, pid, stat_loc, options, NULL);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
weak_alias (__libc_waitpid, __waitpid)
|
||||
libc_hidden_weak (__waitpid)
|
||||
|
||||
@ -22,7 +22,7 @@
|
||||
#include <sys/param.h>
|
||||
#include <sys/uio.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <sysdep-cancel.h>
|
||||
#include <sys/syscall.h>
|
||||
#include <bp-checks.h>
|
||||
|
||||
@ -39,11 +39,8 @@ static ssize_t __atomic_writev_replacement (int, const struct iovec *,
|
||||
|
||||
/* We should deal with kernel which have a smaller UIO_FASTIOV as well
|
||||
as a very big count. */
|
||||
ssize_t
|
||||
__libc_writev (fd, vector, count)
|
||||
int fd;
|
||||
const struct iovec *vector;
|
||||
int count;
|
||||
static ssize_t
|
||||
do_writev (int fd, const struct iovec *vector, int count)
|
||||
{
|
||||
ssize_t bytes_written;
|
||||
|
||||
@ -54,6 +51,24 @@ __libc_writev (fd, vector, count)
|
||||
|
||||
return __atomic_writev_replacement (fd, vector, count);
|
||||
}
|
||||
|
||||
ssize_t
|
||||
__libc_writev (fd, vector, count)
|
||||
int fd;
|
||||
const struct iovec *vector;
|
||||
int count;
|
||||
{
|
||||
if (SINGLE_THREAD_P)
|
||||
return do_writev (fd, vector, count);
|
||||
|
||||
int oldtype = LIBC_CANCEL_ASYNC ();
|
||||
|
||||
ssize_t result = do_writev (fd, vector, count);
|
||||
|
||||
LIBC_CANCEL_RESET (oldtype);
|
||||
|
||||
return result;
|
||||
}
|
||||
strong_alias (__libc_writev, __writev)
|
||||
weak_alias (__libc_writev, writev)
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user