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-rw-r--r--libc/misc/utmp/utent.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/libc/misc/utmp/utent.c b/libc/misc/utmp/utent.c
index 597307738..2734f9e95 100644
--- a/libc/misc/utmp/utent.c
+++ b/libc/misc/utmp/utent.c
@@ -19,6 +19,9 @@
#include <errno.h>
#include <string.h>
#include <utmp.h>
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+#include <not-cancel.h>
+#endif
libc_hidden_proto(strcmp)
libc_hidden_proto(strdup)
@@ -52,20 +55,37 @@ void setutent(void)
LOCK;
if (static_fd == -1) {
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ if ((static_fd = open_not_cancel_2(static_ut_name, O_RDWR)) < 0) {
+ if ((static_fd = open_not_cancel_2(static_ut_name, O_RDONLY)) < 0) {
+#else
if ((static_fd = open(static_ut_name, O_RDWR)) < 0) {
if ((static_fd = open(static_ut_name, O_RDONLY)) < 0) {
+#endif
goto bummer;
}
}
/* Make sure the file will be closed on exec() */
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ ret = fcntl_not_cancel(static_fd, F_GETFD, 0);
+#else
ret = fcntl(static_fd, F_GETFD, 0);
+#endif
if (ret >= 0) {
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ ret = fcntl_not_cancel(static_fd, F_SETFD, ret | FD_CLOEXEC);
+#else
ret = fcntl(static_fd, F_SETFD, ret | FD_CLOEXEC);
+#endif
}
if (ret < 0) {
bummer:
static_fd = -1;
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ close_not_cancel_no_status(static_fd);
+#else
close(static_fd);
+#endif
unlock_and_ret:
UNLOCK;
return;
@@ -88,7 +108,11 @@ static struct utmp *__getutent(int utmp_fd)
}
LOCK;
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ if (read_not_cancel(utmp_fd, (char *) &static_utmp, sizeof(struct utmp)) == sizeof(struct utmp))
+#else
if (read(utmp_fd, (char *) &static_utmp, sizeof(struct utmp)) == sizeof(struct utmp))
+#endif
{
ret = &static_utmp;
}
@@ -101,7 +125,11 @@ void endutent(void)
{
LOCK;
if (static_fd != -1)
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ close_not_cancel_no_status(static_fd);
+#else
close(static_fd);
+#endif
static_fd = -1;
UNLOCK;
}
@@ -168,7 +196,11 @@ struct utmp *pututline (const struct utmp *utmp_entry)
lseek(static_fd, (off_t) - sizeof(struct utmp), SEEK_CUR);
else
lseek(static_fd, (off_t) 0, SEEK_END);
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
if (write(static_fd, utmp_entry, sizeof(struct utmp)) != sizeof(struct utmp))
+#else
+ if (write_not_cancel(static_fd, utmp_entry, sizeof(struct utmp)) != sizeof(struct utmp))
+#endif
utmp_entry = NULL;
UNLOCK;
@@ -190,7 +222,11 @@ int utmpname (const char *new_ut_name)
}
if (static_fd != -1)
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ close_not_cancel_no_status(static_fd);
+#else
close(static_fd);
+#endif
static_fd = -1;
UNLOCK;
return 0;