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mirror of https://sourceware.org/git/glibc.git synced 2025-12-24 17:51:17 +03:00
1998-10-29  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/ttyname_r.c (ttyname_r): Try reading
	/prof/self/fd/FD first.
	* sysdeps/unix/sysv/linux/ttyname.c (ttyname): Likewise.

	* stdio-common/_itoa.h (_fitoa_word): New inline function.  Write
	formatted number starting at given position and return pointer to
	following byte.
	(_fitoa): Likewise, for long long.
This commit is contained in:
Ulrich Drepper
1998-10-29 15:17:25 +00:00
parent 05e951cd1a
commit c5e340c71b
14 changed files with 109 additions and 51 deletions

View File

@@ -40,15 +40,14 @@ int sem_init(sem_t *sem, int pshared, unsigned int value)
int sem_wait(sem_t * sem)
{
volatile pthread_descr self;
volatile pthread_descr self = thread_self();
__pthread_lock((struct _pthread_fastlock *) &sem->sem_lock);
__pthread_lock((struct _pthread_fastlock *) &sem->sem_lock, self);
if (sem->sem_value > 0) {
sem->sem_value--;
__pthread_unlock((struct _pthread_fastlock *) &sem->sem_lock);
return 0;
}
self = thread_self();
enqueue(&sem->sem_waiting, self);
/* Wait for sem_post or cancellation */
__pthread_unlock((struct _pthread_fastlock *) &sem->sem_lock);
@@ -57,7 +56,7 @@ int sem_wait(sem_t * sem)
if (THREAD_GETMEM(self, p_canceled)
&& THREAD_GETMEM(self, p_cancelstate) == PTHREAD_CANCEL_ENABLE) {
/* Remove ourselves from the waiting list if we're still on it */
__pthread_lock((struct _pthread_fastlock *) &sem->sem_lock);
__pthread_lock((struct _pthread_fastlock *) &sem->sem_lock, self);
remove_from_queue(&sem->sem_waiting, self);
__pthread_unlock((struct _pthread_fastlock *) &sem->sem_lock);
pthread_exit(PTHREAD_CANCELED);
@@ -70,7 +69,7 @@ int sem_trywait(sem_t * sem)
{
int retval;
__pthread_lock((struct _pthread_fastlock *) &sem->sem_lock);
__pthread_lock((struct _pthread_fastlock *) &sem->sem_lock, NULL);
if (sem->sem_value == 0) {
errno = EAGAIN;
retval = -1;
@@ -88,7 +87,7 @@ int sem_post(sem_t * sem)
struct pthread_request request;
if (THREAD_GETMEM(self, p_in_sighandler) == NULL) {
__pthread_lock((struct _pthread_fastlock *) &sem->sem_lock);
__pthread_lock((struct _pthread_fastlock *) &sem->sem_lock, self);
if (sem->sem_waiting == NULL) {
if (sem->sem_value >= SEM_VALUE_MAX) {
/* Overflow */