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add fast path for normal mutexes back to pthread_mutex_lock
[oweals/musl.git]
/
src
/
misc
/
openpty.c
diff --git
a/src/misc/openpty.c
b/src/misc/openpty.c
index 0b4eb221497601fd4fcc56a9f0905f12a638f95d..102024732d09296596eb9b857ed316fb3ffc0685 100644
(file)
--- a/
src/misc/openpty.c
+++ b/
src/misc/openpty.c
@@
-12,7
+12,7
@@
int openpty(int *m, int *s, char *name, const struct termios *tio, const struct
char buf[20];
*m = open("/dev/ptmx", O_RDWR|O_NOCTTY);
- if (
!*m
) return -1;
+ if (
*m < 0
) return -1;
if (ioctl(*m, TIOCSPTLCK, &n) || ioctl (*m, TIOCGPTN, &n)) {
close(*m);