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Update.

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* Versions.def: Add GLIBC_2.1.1 to libpthread.

	* iconvdata/Makefile (modules): Add KOI8-U.
	(distribute): Add koi8-u.c.
	(gen-8bit-gap-modules): Add koi8-u.
	* iconvdata/gconv-modules: Add KOI8-U entries.
	* iconvdata/koi8-u.c: New file.

1999-04-13  Thorsten Kukuk  <kukuk@suse.de>

	* sunrpc/auth_des.c: 64bit fixes, security fixes.
	* sunrpc/auth_none.c: Pretty print.
	* sunrpc/auth_unix.c: Likewise.
	* sunrpc/authdes_prot.c: Likewise.
	* sunrpc/authuxprot.c: Likewise.
	* sunrpc/bindrsvprt.c: Likewise.
	* sunrpc/clnt_gen.c: Likewise.
	* sunrpc/rpc/xdr.h: Likewise.
	* sunrpc/rpc/auth_des.h: Add rpc_timeval struct.
	* sunrpc/rpc_cmsg.c: Don't use *long pointers.
	* sunrpc/rtime.c: Use new rpc_timeval.
	* sunrpc/svc_authux.c: Don't use *long pointers.
	* sunrpc/svcauth_des.c: Likewise + security fixes.
	* sunrpc/xdr_mem.c: Don't use *long pointers.
	* sunrpc/xdr_rec.c: Likewise.
	* sunrpc/xdr_sizeof.c: Likewise.
	* sunrpc/xdr_stdio.c: Likewise.

1999-04-15  Ulrich Drepper  <drepper@cygnus.com>
This commit is contained in:
Ulrich Drepper
1999-04-15 13:54:57 +00:00
parent a548696234
commit f8afba91cf
30 changed files with 400 additions and 500 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
linuxthreads/semaphore.c
View File

@@ -32,9 +32,9 @@ int sem_init(sem_t *sem, int pshared, unsigned int value)
errno = ENOSYS;
return -1;
}
__pthread_init_lock((struct _pthread_fastlock *) &sem->sem_lock);
sem->sem_value = value;
sem->sem_waiting = NULL;
__pthread_init_lock((struct _pthread_fastlock *) &sem->__sem_lock);
sem->__sem_value = value;
sem->__sem_waiting = NULL;
return 0;
}
@@ -42,23 +42,23 @@ int sem_wait(sem_t * sem)
{
volatile pthread_descr self = thread_self();
__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);
__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;
}
enqueue(&sem->sem_waiting, self);
enqueue(&sem->__sem_waiting, self);
/* Wait for sem_post or cancellation */
__pthread_unlock((struct _pthread_fastlock *) &sem->sem_lock);
__pthread_unlock((struct _pthread_fastlock *) &sem->__sem_lock);
suspend_with_cancellation(self);
/* This is a cancellation point */
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, self);
remove_from_queue(&sem->sem_waiting, self);
__pthread_unlock((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);
}
/* We got the semaphore */
@@ -69,15 +69,15 @@ int sem_trywait(sem_t * sem)
{
int retval;
__pthread_lock((struct _pthread_fastlock *) &sem->sem_lock, NULL);
if (sem->sem_value == 0) {
__pthread_lock((struct _pthread_fastlock *) &sem->__sem_lock, NULL);
if (sem->__sem_value == 0) {
errno = EAGAIN;
retval = -1;
} else {
sem->sem_value--;
sem->__sem_value--;
retval = 0;
}
__pthread_unlock((struct _pthread_fastlock *) &sem->sem_lock);
__pthread_unlock((struct _pthread_fastlock *) &sem->__sem_lock);
return retval;
}
@@ -88,19 +88,19 @@ 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, self);
if (sem->sem_waiting == NULL) {
if (sem->sem_value >= SEM_VALUE_MAX) {
__pthread_lock((struct _pthread_fastlock *) &sem->__sem_lock, self);
if (sem->__sem_waiting == NULL) {
if (sem->__sem_value >= SEM_VALUE_MAX) {
/* Overflow */
errno = ERANGE;
__pthread_unlock((struct _pthread_fastlock *) &sem->sem_lock);
__pthread_unlock((struct _pthread_fastlock *) &sem->__sem_lock);
return -1;
}
sem->sem_value++;
__pthread_unlock((struct _pthread_fastlock *) &sem->sem_lock);
sem->__sem_value++;
__pthread_unlock((struct _pthread_fastlock *) &sem->__sem_lock);
} else {
th = dequeue(&sem->sem_waiting);
__pthread_unlock((struct _pthread_fastlock *) &sem->sem_lock);
th = dequeue(&sem->__sem_waiting);
__pthread_unlock((struct _pthread_fastlock *) &sem->__sem_lock);
restart(th);
}
} else {
@@ -122,15 +122,33 @@ int sem_post(sem_t * sem)
int sem_getvalue(sem_t * sem, int * sval)
{
*sval = sem->sem_value;
*sval = sem->__sem_value;
return 0;
}
int sem_destroy(sem_t * sem)
{
if (sem->sem_waiting != NULL) {
errno = EBUSY;
if (sem->__sem_waiting != NULL) {
__set_errno (EBUSY);
return -1;
}
return 0;
}
sem_t *sem_open(const char *name, int oflag, ...)
{
__set_errno (ENOSYS);
return SEM_FAILED;
}
int sem_close(sem_t *sem)
{
__set_errno (ENOSYS);
return -1;
}
int sem_unlink(const char *name)
{
__set_errno (ENOSYS);
return -1;
}