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authorAustin Foxley <austinf@cetoncorp.com>2009-10-17 21:25:01 (GMT)
committerAustin Foxley <austinf@cetoncorp.com>2009-10-17 21:25:01 (GMT)
commit9a737ab7a40984cfdfffd014562a220a3736a10f (patch)
tree51fe4682638ffec59b2bd41d67df82ec60d6b48d /libc/misc/utmp/utent.c
parentcfbc0081078b5a41895a2ad689627bf94eeacb43 (diff)
use *_not_cancel variants to avoid accidental cancellations with nptl
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'libc/misc/utmp/utent.c')
-rw-r--r--libc/misc/utmp/utent.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/libc/misc/utmp/utent.c b/libc/misc/utmp/utent.c
index 336c023..a3f01b6 100644
--- a/libc/misc/utmp/utent.c
+++ b/libc/misc/utmp/utent.c
@@ -19,6 +19,7 @@
#include <errno.h>
#include <string.h>
#include <utmp.h>
+#include <not-cancel.h>
#include <bits/uClibc_mutex.h>
__UCLIBC_MUTEX_STATIC(utmplock, PTHREAD_MUTEX_INITIALIZER);
@@ -34,16 +35,16 @@ static const char *static_ut_name = default_file_name;
static void __setutent(void)
{
if (static_fd < 0) {
- static_fd = open(static_ut_name, O_RDWR | O_CLOEXEC);
+ static_fd = open_not_cancel_2(static_ut_name, O_RDWR | O_CLOEXEC);
if (static_fd < 0) {
- static_fd = open(static_ut_name, O_RDONLY | O_CLOEXEC);
+ static_fd = open_not_cancel_2(static_ut_name, O_RDONLY | O_CLOEXEC);
if (static_fd < 0) {
return; /* static_fd remains < 0 */
}
}
#ifndef __ASSUME_O_CLOEXEC
/* Make sure the file will be closed on exec() */
- fcntl(static_fd, F_SETFD, FD_CLOEXEC);
+ fcntl_not_cancel(static_fd, F_SETFD, FD_CLOEXEC);
#endif
return;
}
@@ -70,7 +71,7 @@ static struct utmp *__getutent(void)
}
}
- if (read(static_fd, &static_utmp, sizeof(static_utmp)) == sizeof(static_utmp)) {
+ if (read_not_cancel(static_fd, &static_utmp, sizeof(static_utmp)) == sizeof(static_utmp)) {
ret = &static_utmp;
}
@@ -81,7 +82,7 @@ void endutent(void)
{
__UCLIBC_MUTEX_LOCK(utmplock);
if (static_fd >= 0)
- close(static_fd);
+ close_not_cancel_no_status(static_fd);
static_fd = -1;
__UCLIBC_MUTEX_UNLOCK(utmplock);
}
@@ -182,7 +183,7 @@ int utmpname(const char *new_ut_name)
}
if (static_fd >= 0) {
- close(static_fd);
+ close_not_cancel_no_status(static_fd);
static_fd = -1;
}
__UCLIBC_MUTEX_UNLOCK(utmplock);