From 6fc5fdbdc70dd17ea8e681a361fb4dae541ee953 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Fri, 4 Mar 2011 00:45:59 -0500 Subject: implement POSIX semaphores --- src/thread/sem_getvalue.c | 8 ++++++++ 1 file changed, 8 insertions(+) create mode 100644 src/thread/sem_getvalue.c (limited to 'src/thread/sem_getvalue.c') diff --git a/src/thread/sem_getvalue.c b/src/thread/sem_getvalue.c new file mode 100644 index 00000000..643c0968 --- /dev/null +++ b/src/thread/sem_getvalue.c @@ -0,0 +1,8 @@ +#include + +int sem_getvalue(sem_t *sem, int *valp) +{ + int val = sem->__val[0]; + *valp = val < 0 ? 0 : val; + return 0; +} -- cgit v1.2.1