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flock: unlink lock file on release #119

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flock: unlink lock file on release #119

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5 changes: 5 additions & 0 deletions ds4.c
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Original file line number Diff line number Diff line change
Expand Up @@ -109,6 +109,7 @@ enum {
};

static int g_ds4_lock_fd = -1;
static const char *g_ds4_lock_path = NULL;

#if defined(__GNUC__) || defined(__clang__)
#define DS4_MAYBE_UNUSED __attribute__((unused))
Expand Down Expand Up @@ -15449,6 +15450,9 @@ static void ds4_release_instance_lock(void) {
if (g_ds4_lock_fd >= 0) {
close(g_ds4_lock_fd);
g_ds4_lock_fd = -1;
if (g_ds4_lock_path) {
(void)unlink(g_ds4_lock_path);
}
}
}

Expand Down Expand Up @@ -15495,6 +15499,7 @@ static void ds4_acquire_instance_lock(void) {
}
dprintf(fd, "%ld\n", (long)getpid());
g_ds4_lock_fd = fd;
g_ds4_lock_path = path;
atexit(ds4_release_instance_lock);
}

Expand Down