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ports/net/gnunet/files/patch-src-util::semaphore.c
Kirill Ponomarev 7287a19911 - Update to version 0.6.1
2003-12-29 18:43:34 +00:00

250 lines
6.3 KiB
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--- src/util/semaphore.c.orig Tue Dec 16 04:05:13 2003
+++ src/util/semaphore.c Mon Dec 29 19:14:47 2003
@@ -644,45 +644,47 @@
filename,
linenumber);
#elif SOMEBSD || OSX
- int cnt;
-
+ {
+ int cnt;
+
#if DEBUG_SEMUPDOWN
- LOG(LOG_DEBUG,
- "DEBUG: up on IPC semaphore\n");
+ LOG(LOG_DEBUG,
+ "DEBUG: up on IPC semaphore\n");
#endif
- MUTEX_LOCK(&sem->internalLock);
- FLOCK(sem->fd, LOCK_EX);
- LSEEK(sem->fd, 0, SEEK_SET);
- if (sizeof(int) != READ(sem->fd, &cnt, sizeof(int))) {
- LOG(LOG_WARNING,
- "WARNING: could not read IPC semaphore count (%s) at %s:%d!\n",
- STRERROR(errno),
- __FILE__,
- __LINE__);
- MUTEX_UNLOCK(&sem->internalLock);
- return;
- }
- cnt = htonl(ntohl(cnt)+1);
- LSEEK(sem->fd, 0, SEEK_SET);
- if (sizeof(int) != write(sem->fd, &cnt, sizeof(int)))
- LOG(LOG_WARNING,
- "WARNING: could not write to IPC file %s (%s) at %s:%d\n",
- sem->filename,
- STRERROR(errno),
- __FILE__,
- __LINE__);
+ MUTEX_LOCK(&sem->internalLock);
+ FLOCK(sem->fd, LOCK_EX);
+ LSEEK(sem->fd, 0, SEEK_SET);
+ if (sizeof(int) != READ(sem->fd, &cnt, sizeof(int))) {
+ LOG(LOG_WARNING,
+ "WARNING: could not read IPC semaphore count (%s) at %s:%d!\n",
+ STRERROR(errno),
+ __FILE__,
+ __LINE__);
+ MUTEX_UNLOCK(&sem->internalLock);
+ return;
+ }
+ cnt = htonl(ntohl(cnt)+1);
+ LSEEK(sem->fd, 0, SEEK_SET);
+ if (sizeof(int) != write(sem->fd, &cnt, sizeof(int)))
+ LOG(LOG_WARNING,
+ "WARNING: could not write to IPC file %s (%s) at %s:%d\n",
+ sem->filename,
+ STRERROR(errno),
+ __FILE__,
+ __LINE__);
#if DEBUG_SEMUPDOWN
- else
- LOG(LOG_DEBUG,
- "DEBUG: wrote count %d\n",
- ntohl(cnt));
+ else
+ LOG(LOG_DEBUG,
+ "DEBUG: wrote count %d\n",
+ ntohl(cnt));
#endif
- FLOCK(sem->fd, LOCK_UN);
- MUTEX_UNLOCK(&sem->internalLock);
+ FLOCK(sem->fd, LOCK_UN);
+ MUTEX_UNLOCK(&sem->internalLock);
#if DEBUG_SEMUPDOWN
- LOG(LOG_DEBUG,
- "DEBUG: up on IPC semaphore returns\n");
+ LOG(LOG_DEBUG,
+ "DEBUG: up on IPC semaphore returns\n");
#endif
+ }
#else
#endif
}
@@ -777,53 +779,55 @@
}
}
#elif SOMEBSD || OSX
- int cnt;
-
+ {
+ int cnt;
+
+#if DEBUG_SEMUPDOWN
+ LOG(LOG_DEBUG,
+ "DEBUG: down on IPC semaphore\n");
+#endif
+ MUTEX_LOCK(&sem->internalLock);
+ FLOCK(sem->fd, LOCK_EX);
+ cnt = ntohl(0);
+ while (htonl(cnt) == 0) {
+ LSEEK(sem->fd, 0, SEEK_SET);
+ if (sizeof(int) != READ(sem->fd, &cnt, sizeof(int))) {
+ LOG(LOG_WARNING,
+ "WARNING: could not read IPC semaphore count (%s) at %s:%d!\n",
+ STRERROR(errno),
+ __FILE__,
+ __LINE__);
+ FLOCK(sem->fd, LOCK_UN);
+ MUTEX_UNLOCK(&sem->internalLock);
+ return;
+ }
+ if (htonl(cnt) == 0) {
+ /* busy wait! */
+ FLOCK(sem->fd, LOCK_UN);
+ gnunet_util_sleep(50 * cronMILLIS);
#if DEBUG_SEMUPDOWN
- LOG(LOG_DEBUG,
- "DEBUG: down on IPC semaphore\n");
+ LOG(LOG_DEBUG,
+ "DEBUG: down on IPC semaphore: busy waiting...\n");
#endif
- MUTEX_LOCK(&sem->internalLock);
- FLOCK(sem->fd, LOCK_EX);
- cnt = ntohl(0);
- while (htonl(cnt) == 0) {
+ FLOCK(sem->fd, LOCK_EX);
+ }
+ }
+
+ cnt = htonl(ntohl(cnt)-1);
LSEEK(sem->fd, 0, SEEK_SET);
- if (sizeof(int) != READ(sem->fd, &cnt, sizeof(int))) {
+ if (sizeof(int) != write(sem->fd, &cnt, sizeof(int)))
LOG(LOG_WARNING,
- "WARNING: could not read IPC semaphore count (%s) at %s:%d!\n",
- STRERROR(errno),
+ "WARNING: could not write update to IPC file %s at %s:%d\n",
+ sem->filename,
__FILE__,
- __LINE__);
- FLOCK(sem->fd, LOCK_UN);
- MUTEX_UNLOCK(&sem->internalLock);
- return;
- }
- if (htonl(cnt) == 0) {
- /* busy wait! */
- FLOCK(sem->fd, LOCK_UN);
- gnunet_util_sleep(50 * cronMILLIS);
+ __LINE__);
+ FLOCK(sem->fd, LOCK_UN);
+ MUTEX_UNLOCK(&sem->internalLock);
#if DEBUG_SEMUPDOWN
- LOG(LOG_DEBUG,
- "DEBUG: down on IPC semaphore: busy waiting...\n");
+ LOG(LOG_DEBUG,
+ "DEBUG: down on IPC semaphore returns\n");
#endif
- FLOCK(sem->fd, LOCK_EX);
- }
}
-
- cnt = htonl(ntohl(cnt)-1);
- LSEEK(sem->fd, 0, SEEK_SET);
- if (sizeof(int) != write(sem->fd, &cnt, sizeof(int)))
- LOG(LOG_WARNING,
- "WARNING: could not write update to IPC file %s at %s:%d\n",
- sem->filename,
- __FILE__,
- __LINE__);
- FLOCK(sem->fd, LOCK_UN);
- MUTEX_UNLOCK(&sem->internalLock);
-#if DEBUG_SEMUPDOWN
- LOG(LOG_DEBUG,
- "DEBUG: down on IPC semaphore returns\n");
-#endif
#else
#endif
}
@@ -888,41 +892,43 @@
filename,
linenumber);
#elif SOMEBSD || OSX
- int cnt;
-
+ {
+ int cnt;
+
#if DEBUG_SEMUPDOWN
- LOG(LOG_DEBUG,
- "DEBUG: destroying IPC semaphore\n");
+ LOG(LOG_DEBUG,
+ "DEBUG: destroying IPC semaphore\n");
#endif
- MUTEX_DESTROY(&sem->internalLock);
- FLOCK(sem->fd, LOCK_EX);
- LSEEK(sem->fd, sizeof(int), SEEK_SET);
- if (sizeof(int) == READ(sem->fd, &cnt, sizeof(int))) {
- cnt = htonl(ntohl(cnt)-1);
+ MUTEX_DESTROY(&sem->internalLock);
+ FLOCK(sem->fd, LOCK_EX);
LSEEK(sem->fd, sizeof(int), SEEK_SET);
- if (sizeof(int) != write(sem->fd, &cnt, sizeof(int)))
+ if (sizeof(int) == READ(sem->fd, &cnt, sizeof(int))) {
+ cnt = htonl(ntohl(cnt)-1);
+ LSEEK(sem->fd, sizeof(int), SEEK_SET);
+ if (sizeof(int) != write(sem->fd, &cnt, sizeof(int)))
+ LOG(LOG_WARNING,
+ "WARNING: could not write to IPC file %s at %s:%d\n",
+ sem->filename,
+ __FILE__,
+ __LINE__);
+ if (ntohl(cnt) == 0) {
+#if DEBUG_SEMUPDOWN
+ LOG(LOG_DEBUG,
+ "DEBUG: removing IPC file %s -- last using process is done.\n",
+ sem->filename);
+#endif
+ UNLINK(sem->filename);
+ }
+ } else
LOG(LOG_WARNING,
- "WARNING: could not write to IPC file %s at %s:%d\n",
+ "WARNING: could not read process count of IPC %s at %s:%d\n",
sem->filename,
__FILE__,
__LINE__);
- if (ntohl(cnt) == 0) {
-#if DEBUG_SEMUPDOWN
- LOG(LOG_DEBUG,
- "DEBUG: removing IPC file %s -- last using process is done.\n",
- sem->filename);
-#endif
- UNLINK(sem->filename);
- }
- } else
- LOG(LOG_WARNING,
- "WARNING: could not read process count of IPC %s at %s:%d\n",
- sem->filename,
- __FILE__,
- __LINE__);
- FREE(sem->filename);
- FLOCK(sem->fd, LOCK_UN);
- CLOSE(sem->fd);
+ FREE(sem->filename);
+ FLOCK(sem->fd, LOCK_UN);
+ CLOSE(sem->fd);
+ }
#else
#endif
FREE(sem);
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