Implement get_nr_ts_release_waiters() /proc wrapper

Add a wrapper for /proc/litmus/stats to make it easy to query the
number of tasks already waiting for a task set release.

1 files changed, 1 insertions, 19 deletions

diff --git a/bin/release_ts.c b/bin/release_ts.c
index 9740df2..7752097 100644
--- a/bin/release_ts.c
+++ b/bin/release_ts.c
@@ -7,6 +7,7 @@
 #include <fcntl.h>
 
 #include "litmus.h"
+#include "internal.h"
 
 #define OPTSTR "d:wf:"
 #define NS_PER_MS 1000000
@@ -27,25 +28,6 @@ void usage(char *error) {
         exit(1);
 }
 
-ssize_t read_file(const char* fname, void* buf, size_t maxlen)
-{
-        int fd;
-        ssize_t n = 0;
-        size_t got = 0;
-
-        fd = open(fname, O_RDONLY);
-        if (fd == -1)
-                return -1;
-        
-        while (got < maxlen && (n = read(fd, buf + got, maxlen - got)) > 0)
-                got += n;
-        close(fd);
-        if (n < 0)
-                return -1;
-        else
-                return got;
-}
-
 void wait_until_ready(int expected)
 {
         int ready = 0, all = 0;