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authorTed Unangst <tedu@cvs.openbsd.org>2013-11-20 03:04:30 +0000
committerTed Unangst <tedu@cvs.openbsd.org>2013-11-20 03:04:30 +0000
commitce582e728c1cee6297f82b79244a993d87d81ac7 (patch)
tree819be00870a63ea9989a572710672cecb2301620
parentc2d15cd79025cbb31aaa088e4036f329f92090fd (diff)
zhuk and i have slightly different styles. unify and consistify
-rw-r--r--lib/librthread/rthread_sem.c37
1 files changed, 14 insertions, 23 deletions
diff --git a/lib/librthread/rthread_sem.c b/lib/librthread/rthread_sem.c
index 822fb5a96f8..63023de96d1 100644
--- a/lib/librthread/rthread_sem.c
+++ b/lib/librthread/rthread_sem.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: rthread_sem.c,v 1.10 2013/11/18 23:10:48 tedu Exp $ */
+/* $OpenBSD: rthread_sem.c,v 1.11 2013/11/20 03:04:29 tedu Exp $ */
/*
* Copyright (c) 2004,2005,2013 Ted Unangst <tedu@openbsd.org>
* All Rights Reserved.
@@ -127,9 +127,8 @@ sem_init(sem_t *semp, int pshared, unsigned int value)
name[i] = arc4random_uniform(255) + 1;
name[SEM_RANDOM_NAME_LEN - 1] = '\0';
sempshared = sem_open(name, O_CREAT|O_EXCL);
- if (sempshared) {
+ if (sempshared)
break;
- }
if (errno == EEXIST)
continue;
if (errno != EINVAL && errno != EPERM)
@@ -188,12 +187,6 @@ sem_destroy(sem_t *semp)
return (-1);
}
- if (sem->shared)
- if (munmap(sem->shared, SEM_MMAP_SIZE) == -1) {
- warn("sem_destroy: someone borked shared memory");
- abort();
- }
-
*semp = NULL;
free(sem);
@@ -325,38 +318,39 @@ sem_open(const char *name, int oflag, ...)
if (oflag & ~(O_CREAT | O_EXCL)) {
errno = EINVAL;
- return semp;
+ return (semp);
}
makesempath(name, sempath, sizeof(sempath));
fd = open(sempath, O_RDWR | O_NOFOLLOW | oflag, 0600);
if (fd == -1)
- return semp;
+ return (semp);
if (fstat(fd, &sb) == -1 || !S_ISREG(sb.st_mode)) {
close(fd);
errno = EINVAL;
- return semp;
+ return (semp);
}
if (sb.st_uid != getuid()) {
close(fd);
errno = EPERM;
- return semp;
+ return (semp);
}
- if (sb.st_size < SEM_MMAP_SIZE)
+ if (sb.st_size < SEM_MMAP_SIZE) {
if (ftruncate(fd, SEM_MMAP_SIZE) == -1) {
oerrno = errno;
close(fd);
errno = oerrno;
/* XXX can set errno to EIO, ENOTDIR... */
- return semp;
+ return (semp);
}
+ }
shared = mmap(NULL, SEM_MMAP_SIZE, PROT_READ | PROT_WRITE,
MAP_FILE | MAP_SHARED | MAP_HASSEMAPHORE, fd, 0);
oerrno = errno;
close(fd);
if (shared == MAP_FAILED) {
errno = oerrno;
- return semp;
+ return (semp);
}
semp = malloc(sizeof(*semp));
sem = calloc(1, sizeof(*sem));
@@ -365,12 +359,12 @@ sem_open(const char *name, int oflag, ...)
free(semp);
munmap(shared, SEM_MMAP_SIZE);
errno = ENOSPC;
- return SEM_FAILED;
+ return (SEM_FAILED);
}
*semp = sem;
sem->shared = shared;
- return semp;
+ return (semp);
}
int
@@ -378,10 +372,7 @@ sem_close(sem_t *semp)
{
sem_t sem = *semp;
- if (munmap(sem->shared, SEM_MMAP_SIZE) == -1) {
- warn("sem_close: someone borked shared memory");
- abort();
- }
+ munmap(sem->shared, SEM_MMAP_SIZE);
free(sem);
free(semp);
@@ -394,6 +385,6 @@ sem_unlink(const char *name)
char sempath[SEM_PATH_SIZE];
makesempath(name, sempath, sizeof(sempath));
- return unlink(sempath);
+ return (unlink(sempath));
}