mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-10 07:10:06 +00:00
Update.
* locale/programs/locale.c (write_locales): Disable implicit locking for the stream. Use feof_unlocked instead of feof.
This commit is contained in:
parent
63825a6125
commit
06b5289f83
@ -1,5 +1,8 @@
|
||||
2001-07-23 Ulrich Drepper <drepper@redhat.com>
|
||||
|
||||
* locale/programs/locale.c (write_locales): Disable implicit
|
||||
locking for the stream. Use feof_unlocked instead of feof.
|
||||
|
||||
* sysdeps/unix/sysv/linux/i386/makecontext.S: Initialize %fs, %gs,
|
||||
and floating-point status as well.
|
||||
|
||||
|
@ -1,5 +1,8 @@
|
||||
2001-07-23 Ulrich Drepper <drepper@redhat.com>
|
||||
|
||||
* Makefile (tests): Add tst-context.
|
||||
* tst-context.c: New file.
|
||||
|
||||
* sysdeps/pthread/bits/stdio-lock.h: Define
|
||||
_IO_cleanup_region_start_noarg.
|
||||
|
||||
|
98
linuxthreads/tst-context.c
Normal file
98
linuxthreads/tst-context.c
Normal file
@ -0,0 +1,98 @@
|
||||
#include <errno.h>
|
||||
#include <error.h>
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <ucontext.h>
|
||||
|
||||
#include "pt-machine.h"
|
||||
|
||||
|
||||
#define N 4
|
||||
|
||||
#ifdef FLOATING_STACKS
|
||||
static char stacks[N][8192];
|
||||
static ucontext_t ctx[N][2];
|
||||
static volatile int failures;
|
||||
|
||||
static void
|
||||
fct (long int n)
|
||||
{
|
||||
/* Just to use the thread local descriptor. */
|
||||
printf ("%ld: in %s now\n", n, __FUNCTION__);
|
||||
errno = 0;
|
||||
}
|
||||
|
||||
static void *
|
||||
threadfct (void *arg)
|
||||
{
|
||||
int n = (int) (long int) arg;
|
||||
|
||||
printf ("%d: %s: before makecontext\n", n, __FUNCTION__);
|
||||
|
||||
ctx[n][1].uc_stack.ss_sp = stacks[n];
|
||||
ctx[n][1].uc_stack.ss_size = 8192;
|
||||
ctx[n][1].uc_link = &ctx[n][0];
|
||||
makecontext (&ctx[n][1], (void (*) (void)) fct, 1, (long int) n);
|
||||
|
||||
printf ("%d: %s: before swapcontext\n", n, __FUNCTION__);
|
||||
|
||||
if (swapcontext (&ctx[n][0], &ctx[n][1]) != 0)
|
||||
{
|
||||
++failures;
|
||||
printf ("%d: %s: swapcontext failed\n", n, __FUNCTION__);
|
||||
}
|
||||
else
|
||||
printf ("%d: back in %s\n", n, __FUNCTION__);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
static volatile int global;
|
||||
|
||||
int
|
||||
main (void)
|
||||
{
|
||||
#ifndef FLOATING_STACKS
|
||||
puts ("not supported");
|
||||
return 0;
|
||||
#else
|
||||
int n;
|
||||
pthread_t th[N];
|
||||
ucontext_t mctx;
|
||||
|
||||
puts ("making contexts");
|
||||
if (getcontext (&mctx) != 0)
|
||||
{
|
||||
if (errno == ENOSYS)
|
||||
exit (0);
|
||||
|
||||
printf ("%s: getcontext: %m\n", __FUNCTION__);
|
||||
exit (1);
|
||||
}
|
||||
|
||||
/* Play some tricks with this context. */
|
||||
if (++global == 1)
|
||||
if (setcontext (&mctx) != 0)
|
||||
{
|
||||
printf ("%s: setcontext: %m\n", __FUNCTION__);
|
||||
exit (1);
|
||||
}
|
||||
if (global != 2)
|
||||
{
|
||||
printf ("%s: 'global' not incremented twice\n", __FUNCTION__);
|
||||
exit (1);
|
||||
}
|
||||
|
||||
for (n = 0; n < N; ++n)
|
||||
if (pthread_create (&th[n], NULL, threadfct, (void *) n) != 0)
|
||||
error (EXIT_FAILURE, errno, "cannot create all threads");
|
||||
|
||||
for (n = 0; n < N; ++n)
|
||||
pthread_join (th[n], NULL);
|
||||
|
||||
return failures;
|
||||
#endif
|
||||
}
|
@ -34,6 +34,7 @@
|
||||
#include <locale.h>
|
||||
#include <search.h>
|
||||
#include <stdio.h>
|
||||
#include <stdio_ext.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
@ -364,7 +365,10 @@ write_locales (void)
|
||||
/* Ignore non-existing files. */
|
||||
continue;
|
||||
|
||||
while (! feof (fp))
|
||||
/* No threads present. */
|
||||
__fsetlocking (fp, FSETLOCKING_BYCALLER);
|
||||
|
||||
while (! feof_unlocked (fp))
|
||||
{
|
||||
/* It is a reasonable approach to use a fix buffer here
|
||||
because
|
||||
|
Loading…
Reference in New Issue
Block a user