diff --git a/src/cond-w.c b/src/cond-w.c index 2c44dbb1..afe69a63 100644 --- a/src/cond-w.c +++ b/src/cond-w.c @@ -31,12 +31,16 @@ #include "pid.h" #include "service.h" -static int cond_set_gen(const char *path, unsigned int gen) +static int cond_set_gen(const char *file, unsigned int gen) { + char *ptr, path[256]; FILE *fp; int ret; - fp = fopen(path, "w"); + /* /var/run --> /run symlink may not exist (yet) */ + ptr = pid_runpath(file, path, sizeof(path)); + + fp = fopen(ptr, "w"); if (!fp) return -1; diff --git a/src/cond.c b/src/cond.c index 15a02088..9698b963 100644 --- a/src/cond.c +++ b/src/cond.c @@ -51,13 +51,17 @@ const char *cond_path(const char *name) return pid_runpath(tmp, file, sizeof(file)); } -unsigned int cond_get_gen(const char *path) +unsigned int cond_get_gen(const char *file) { + char *ptr, path[256]; unsigned int gen; FILE *fp; int ret; - fp = fopen(path, "r"); + /* /var/run --> /run symlink may not exist (yet) */ + ptr = pid_runpath(file, path, sizeof(path)); + + fp = fopen(ptr, "r"); if (!fp) return 0; diff --git a/src/pid.h b/src/pid.h index d01558a2..9eaec3d6 100644 --- a/src/pid.h +++ b/src/pid.h @@ -34,7 +34,17 @@ char *pid_file (svc_t *svc); int pid_file_create (svc_t *svc); int pid_file_parse (svc_t *svc, char *arg); -static inline char *pid_runpath(char *file, char *path, size_t len) +/** + * pid_runpath - Adjust /var/run --> /run path depending on system + * @file: Path to file in /run/path or /var/run/path + * @path: Pointer to buffer to write correct path + * @len: Length, in bytes, of @path buffer + * + * Returns: + * Always returns a valid pointer, which can be either @path with a /run + * or /var/run prefix to @file, or it may be @file if the prefix is OK. + */ +static inline char *pid_runpath(const char *file, char *path, size_t len) { static int unknown = 1; static char *prefix = "/var/run"; @@ -45,6 +55,9 @@ static inline char *pid_runpath(char *file, char *path, size_t len) unknown = 0; } + if (!strncmp(file, prefix, strlen(prefix))) + return (char *)file; + if (!strncmp(file, "/var/run/", 9)) file += 9; else if (!strncmp(file, "/run/", 5))