mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-23 11:20:07 +00:00
ba9234d947
1998-07-04 10:14 Ulrich Drepper <drepper@cygnus.com> * libio/Makefile (routines): Add iofread_u and iofwrite_u. * libio/Versions: Add fread_unlocked and fwrite_unlocked. * Makerules (lib%.so): Adjust ignore pattern for last makefile change. * time/tzfile.c (decode): Optimize by using bswap_32. (__tzfile_read): Use _unlocked stream functions. Correct setting of __tzname array values. (__tzfile_compute): Correct setting of __tzname array values. * time/tzset.c (__tzstring): Clean up a bit. 1998-06-29 19:01 Jim Wilson <wilson@cygnus.com> * posix/regex.c (re_comp): Add cast to char * before gettext calls. 1998-06-30 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/unix/bsd/poll.c (__poll): Allocate fd_set dynamically so that fd can be bigger than FD_SETSIZE. 1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de> * nscd/grpcache.c: Include <unistd.h>. * nscd/pwdcache.c: Likewise. * nis/nis_modify.c: Include <string.h>. * nis/nis_add.c: Likewise. * nis/nis_checkpoint.c: Likewise. * posix/runptests.c: Likewise. * sysdeps/generic/statvfs64.c: Likewise. * sysdeps/generic/fstatvfs64.c: Likewise. 1998-07-03 13:16 Ulrich Drepper <drepper@cygnus.com> * localedata/charmaps/ISO-8859-9: Change mapping for 0xea, 0xec, 0xef to match data from Unicode. Reported by Michael Deutschmann <michael@talamasca.wkpowerlink.com>. 1998-07-03 11:45 Ulrich Drepper <drepper@cygnus.com> * stdio-common/printf.h: Define printf_function and printf_arginfo_function types using __PMT not __P. Reported by Marc Lehmann. 1998-07-02 14:07 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu> * assert/test-assert.c: New test. * assert/test-assert-perr.c: New test. * assert/Makefile (tests): Add test-assert and test-assert-perr. 1998-07-02 13:45 Zack Weinberg <zack@rabi.phys.columbia.edu> BSD-style SCM_CREDS support. * sysdeps/unix/sysv/linux/socket.h: Define struct cmsgcred and SCM_CREDS. * sysdeps/unix/sysv/linux/sendmsg.c: New file. Convert user visible SCM_CREDS packet to what the kernel wants. * sysdeps/unix/sysv/linux/recvmsg.c: New file. Convert SCM_CREDS packet output by kernel to what users want. * sysdeps/unix/sysv/linux/sendmsg.S: Moved to... * sysdeps/unix/sysv/linux/__sendmsg.S: here. * sysdeps/unix/sysv/linux/recvmsg.S: Moved to... * sysdeps/unix/sysv/linux/__recvmsg.S: here. * sysdeps/unix/sysv/linux/Makefile [subdir=socket]: Add __sendmsg and __recvmsg to sysdep_routines. * sysdeps/unix/sysv/linux/Dist: Add __sendmsg.S and __recvmsg.S. 1998-07-02 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nscd/grpcache.c: Fix gid pointer handling and debug messages. * nscd/pwdcache.c: Fix uid pointer handling and debug messages. * nscd/nscd.c: Check, if pthread_create fails. 1998-07-02 Andreas Jaeger <aj@arthur.rhein-neckar.de> * stdio-common/test_rdwr.c (main): Use %Zu for size_t in printf format strings. * stdio-common/bug1.c (main): Likewise. * stdio-common/bug5.c (main): Likewise. * stdio-common/tstgetln.c (main): Likewise. * elf/sprof.c (generate_call_graph): Likewise. (load_shobj): Likewise. * posix/runptests.c (main): Likewise. * string/tst-strlen.c (main): Likewise. * sysdeps/libm-ieee754/e_acos.c (__ieee754_acos): Remove unused variable q3. * sysdeps/libm-ieee754/e_asin.c (__ieee754_asin): Likewise 1998-07-03 Andreas Jaeger <aj@arthur.rhein-neckar.de> * wctype/Versions: Add __towctrans. Noticed by Alex Buell <alex.buell@tahallah.demon.co.uk>. 1998-07-02 Mark Kettenis <kettenis@phys.uva.nl> * grp/initgroups.c (compat_call): Only call dynamically loaded functions if they are really present. 1998-07-02 Mark Kettenis <kettenis@phys.uva.nl> * sysdeps/unix/sysv/linux/bits/sched.h: Move __END_DECLS within #ifdef that contains __BEGIN_DECLS. 1998-07-02 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/iofwrite.c: Fix return value when size == 0. 1998-07-01 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * posix/Makefile (distribute): Add annexc.c. (generated): Add $(objpfx)annexc and $(objpfx)annexc.out. 1998-07-01 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add bits/pthreadtypes.h here, and do not clobber headers. * sysdeps/unix/sysv/linux/Dist: Add bits/pthreadtypes.h. 1998-07-03 Andreas Jaeger <aj@arthur.rhein-neckar.de> * timezone/tst-timezone.c: Add tests for tzname variable. 1998-07-03 12:17 Zack Weinberg <zack@rabi.phys.columbia.edu> * Makefile [versioning=yes]: Build the mapfiles with a pattern rule that lists all of them as targets. (sysd-versions): Depend only on Versions.def. Write a Makefile fragment that defines $(vers-libs) based on contents of that file; then include it. (lib-noranlib): Depend on lib-mapfiles not sysd-versions. (lib-mapfiles): New target, depends on sysd-versions and $(vers-libs). Predicate all this on avoid-generated unset as well as versioning. 1998-07-03 14:35 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
204 lines
5.9 KiB
C
204 lines
5.9 KiB
C
/* Linuxthreads - a simple clone()-based implementation of Posix */
|
|
/* threads for Linux. */
|
|
/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr) */
|
|
/* */
|
|
/* This program is free software; you can redistribute it and/or */
|
|
/* modify it under the terms of the GNU Library General Public License */
|
|
/* as published by the Free Software Foundation; either version 2 */
|
|
/* of the License, or (at your option) any later version. */
|
|
/* */
|
|
/* This program 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 Library General Public License for more details. */
|
|
|
|
/* Handling of thread attributes */
|
|
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <sys/param.h>
|
|
#include "pthread.h"
|
|
#include "internals.h"
|
|
|
|
int __pthread_attr_init_2_1(pthread_attr_t *attr)
|
|
{
|
|
size_t ps = __getpagesize ();
|
|
|
|
attr->detachstate = PTHREAD_CREATE_JOINABLE;
|
|
attr->schedpolicy = SCHED_OTHER;
|
|
attr->schedparam.sched_priority = 0;
|
|
attr->inheritsched = PTHREAD_EXPLICIT_SCHED;
|
|
attr->scope = PTHREAD_SCOPE_SYSTEM;
|
|
attr->guardsize = ps;
|
|
attr->stackaddr = NULL;
|
|
attr->stackaddr_set = 0;
|
|
attr->stacksize = STACK_SIZE - ps;
|
|
return 0;
|
|
}
|
|
#if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
|
|
default_symbol_version (__pthread_attr_init_2_1, pthread_attr_init, GLIBC_2.1);
|
|
|
|
int __pthread_attr_init_2_0(pthread_attr_t *attr)
|
|
{
|
|
attr->detachstate = PTHREAD_CREATE_JOINABLE;
|
|
attr->schedpolicy = SCHED_OTHER;
|
|
attr->schedparam.sched_priority = 0;
|
|
attr->inheritsched = PTHREAD_EXPLICIT_SCHED;
|
|
attr->scope = PTHREAD_SCOPE_SYSTEM;
|
|
return 0;
|
|
}
|
|
symbol_version (__pthread_attr_init_2_0, pthread_attr_init, GLIBC_2.0);
|
|
#else
|
|
strong_alias (__pthread_attr_init_2_1, pthread_attr_init)
|
|
#endif
|
|
|
|
int pthread_attr_destroy(pthread_attr_t *attr)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate)
|
|
{
|
|
if (detachstate < PTHREAD_CREATE_JOINABLE ||
|
|
detachstate > PTHREAD_CREATE_DETACHED)
|
|
return EINVAL;
|
|
attr->detachstate = detachstate;
|
|
return 0;
|
|
}
|
|
|
|
int pthread_attr_getdetachstate(const pthread_attr_t *attr, int *detachstate)
|
|
{
|
|
*detachstate = attr->detachstate;
|
|
return 0;
|
|
}
|
|
|
|
int pthread_attr_setschedparam(pthread_attr_t *attr,
|
|
const struct sched_param *param)
|
|
{
|
|
int max_prio = __sched_get_priority_max(attr->schedpolicy);
|
|
int min_prio = __sched_get_priority_min(attr->schedpolicy);
|
|
|
|
if (param->sched_priority < min_prio || param->sched_priority > max_prio)
|
|
return EINVAL;
|
|
memcpy (&attr->schedparam, param, sizeof (struct sched_param));
|
|
return 0;
|
|
}
|
|
|
|
int pthread_attr_getschedparam(const pthread_attr_t *attr,
|
|
struct sched_param *param)
|
|
{
|
|
memcpy (param, &attr->schedparam, sizeof (struct sched_param));
|
|
return 0;
|
|
}
|
|
|
|
int pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy)
|
|
{
|
|
if (policy != SCHED_OTHER && policy != SCHED_FIFO && policy != SCHED_RR)
|
|
return EINVAL;
|
|
if (policy != SCHED_OTHER && geteuid() != 0)
|
|
return ENOTSUP;
|
|
attr->schedpolicy = policy;
|
|
return 0;
|
|
}
|
|
|
|
int pthread_attr_getschedpolicy(const pthread_attr_t *attr, int *policy)
|
|
{
|
|
*policy = attr->schedpolicy;
|
|
return 0;
|
|
}
|
|
|
|
int pthread_attr_setinheritsched(pthread_attr_t *attr, int inherit)
|
|
{
|
|
if (inherit != PTHREAD_INHERIT_SCHED && inherit != PTHREAD_EXPLICIT_SCHED)
|
|
return EINVAL;
|
|
attr->inheritsched = inherit;
|
|
return 0;
|
|
}
|
|
|
|
int pthread_attr_getinheritsched(const pthread_attr_t *attr, int *inherit)
|
|
{
|
|
*inherit = attr->inheritsched;
|
|
return 0;
|
|
}
|
|
|
|
int pthread_attr_setscope(pthread_attr_t *attr, int scope)
|
|
{
|
|
switch (scope) {
|
|
case PTHREAD_SCOPE_SYSTEM:
|
|
attr->scope = scope;
|
|
return 0;
|
|
case PTHREAD_SCOPE_PROCESS:
|
|
return ENOTSUP;
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
}
|
|
|
|
int pthread_attr_getscope(const pthread_attr_t *attr, int *scope)
|
|
{
|
|
*scope = attr->scope;
|
|
return 0;
|
|
}
|
|
|
|
int __pthread_attr_setguardsize(pthread_attr_t *attr, size_t guardsize)
|
|
{
|
|
size_t ps = __getpagesize ();
|
|
|
|
/* First round up the guard size. */
|
|
guardsize = roundup (guardsize, ps);
|
|
|
|
/* The current implementation of LinuxThreads allocates 2MB stack space
|
|
for each thread. So the maximum guardsize is 2MB - pagesize. */
|
|
if (guardsize >= STACK_SIZE - ps)
|
|
return EINVAL;
|
|
|
|
attr->guardsize = guardsize;
|
|
|
|
return 0;
|
|
}
|
|
weak_alias (__pthread_attr_setguardsize, pthread_attr_setguardsize)
|
|
|
|
int __pthread_attr_getguardsize(const pthread_attr_t *attr, size_t *guardsize)
|
|
{
|
|
*guardsize = attr->guardsize;
|
|
return 0;
|
|
}
|
|
weak_alias (__pthread_attr_getguardsize, pthread_attr_getguardsize)
|
|
|
|
int __pthread_attr_setstackaddr(pthread_attr_t *attr, void *stackaddr)
|
|
{
|
|
attr->stackaddr = stackaddr;
|
|
attr->stackaddr_set = 1;
|
|
return 0;
|
|
}
|
|
weak_alias (__pthread_attr_setstackaddr, pthread_attr_setstackaddr)
|
|
|
|
int __pthread_attr_getstackaddr(const pthread_attr_t *attr, void **stackaddr)
|
|
{
|
|
/* XXX This function has a stupid definition. The standard specifies
|
|
no error value but what is if no stack address was set? We simply
|
|
return the value we have in the member. */
|
|
*stackaddr = attr->stackaddr;
|
|
return 0;
|
|
}
|
|
weak_alias (__pthread_attr_getstackaddr, pthread_attr_getstackaddr)
|
|
|
|
int __pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize)
|
|
{
|
|
/* We don't accept value smaller than PTHREAD_STACK_MIN. */
|
|
if (stacksize < PTHREAD_STACK_MIN)
|
|
return EINVAL;
|
|
|
|
attr->stacksize = stacksize;
|
|
return 0;
|
|
}
|
|
weak_alias (__pthread_attr_setstacksize, pthread_attr_setstacksize)
|
|
|
|
int __pthread_attr_getstacksize(const pthread_attr_t *attr, size_t *stacksize)
|
|
{
|
|
*stacksize = attr->stacksize;
|
|
return 0;
|
|
}
|
|
weak_alias (__pthread_attr_getstacksize, pthread_attr_getstacksize)
|