X-Git-Url: http://git.madism.org/?a=blobdiff_plain;f=common%2Fcommon.c;h=9fdf961a45c1a1bbb5ff13509318ff1094267726;hb=f78d6baee60179e6ce41cc7058a8df5857116010;hp=c2abeb41feea8271d83b747f1bacb4f4ea62fc43;hpb=44d04c83a53af19faecb1620cf0f9ed53054da5c;p=apps%2Fpfixtools.git

diff --git a/common/common.c b/common/common.c
index c2abeb4..9fdf961 100644
--- a/common/common.c
+++ b/common/common.c
@@ -41,31 +41,22 @@
 
 #include "common.h"
 
-sig_atomic_t sigint  = false;
-sig_atomic_t sighup  = false;
-
 bool daemon_process  = true;
+int  log_level       = LOG_INFO;
+bool log_syslog      = false;
 
 static FILE *pidfile = NULL;
 
 void common_sighandler(int sig)
 {
     switch (sig) {
-      case SIGINT:
-        sigint = true;
-        return;
-
-      case SIGHUP:
-        sighup = true;
-        return;
-
       default:
-        syslog(LOG_ERR, "Killed (got signal %d)...", sig);
+        err("Killed (got signal %d)...", sig);
         exit(-1);
     }
 }
 
-static int setnonblock(int sock)
+int setnonblock(int sock)
 {
     int res = fcntl(sock, F_GETFL);
 
@@ -197,11 +188,11 @@ int daemon_detach(void)
     pid = fork();
     if (pid < 0) {
         return -1;
-		}
+    }
     if (pid) {
-				daemon_process = false;
+        daemon_process = false;
         exit(0);
-		}
+    }
 
     setsid();
     return 0;
@@ -234,20 +225,11 @@ int drop_privileges(const char *user, const char *group)
 
 int pidfile_open(const char *name)
 {
-		struct flock lock;
-		p_clear(&lock, 1);
-		lock.l_type = F_WRLCK;
     if (name) {
         pidfile = fopen(name, "w");
         if (!pidfile)
             return -1;
-				if (fcntl(fileno(pidfile), F_SETLK, &lock) == -1) {
-						syslog(LOG_ERR, "program already started");
-						fclose(pidfile);
-						pidfile = NULL;
-						return -1;
-				}
-				fprintf(pidfile, "%d\n", getpid());
+        fprintf(pidfile, "%d\n", getpid());
         return fflush(pidfile);
     }
     return 0;
@@ -266,14 +248,12 @@ int pidfile_refresh(void)
 
 static void pidfile_close(void)
 {
-		struct flock lock;
-		p_clear(&lock, 1);
-		lock.l_type = F_UNLCK;
     if (pidfile) {
-        rewind(pidfile);
-        ftruncate(fileno(pidfile), 0);
-        fcntl(fileno(pidfile), F_SETLK, &lock);
-				fclose(pidfile);
+        if (daemon_process) {
+            rewind(pidfile);
+            ftruncate(fileno(pidfile), 0);
+        }
+        fclose(pidfile);
         pidfile = NULL;
     }
 }
@@ -281,18 +261,18 @@ static void pidfile_close(void)
 int common_setup(const char* pidfilename, bool unsafe, const char* runas_user,
                  const char* runas_group, bool daemonize)
 {
-    if (!unsafe && drop_privileges(runas_user, runas_group) < 0) {
-        syslog(LOG_CRIT, "unable to drop privileges");
+    if (pidfile_open(pidfilename) < 0) {
+        crit("unable to write pidfile %s", pidfilename);
         return EXIT_FAILURE;
     }
 
-    if (daemonize && daemon_detach() < 0) {
-        syslog(LOG_CRIT, "unable to fork");
+    if (!unsafe && drop_privileges(runas_user, runas_group) < 0) {
+        crit("unable to drop privileges");
         return EXIT_FAILURE;
     }
 
-		if (pidfile_open(pidfilename) < 0) {
-        syslog(LOG_CRIT, "unable to write pidfile %s", pidfilename);
+    if (daemonize && daemon_detach() < 0) {
+        crit("unable to fork");
         return EXIT_FAILURE;
     }
 
@@ -300,32 +280,39 @@ int common_setup(const char* pidfilename, bool unsafe, const char* runas_user,
     return EXIT_SUCCESS;
 }
 
-extern initcall_t __madinit[];
-extern exitcall_t __madexit[];
+#include "array.h"
+
+ARRAY(exitcall_t)
+
+static A(exitcall_t) __exit = ARRAY_INIT;
+
+void common_register_exit(exitcall_t _exit)
+{
+    array_add(__exit, _exit);
+}
 
 static void common_shutdown(void)
 {
-		if (daemon_process) {
-				syslog(LOG_INFO, "Stopping...");
-		}
-		pidfile_close();
-    for (int i = -1; __madexit[i]; i--) {
-        (*__madexit[i])();
+    if (daemon_process && log_syslog) {
+        info("stopping...");
     }
+    pidfile_close();
+    for (int i = array_len(__exit) - 1 ; i >= 0 ; --i) {
+        array_elt(__exit, i)();
+    }
+    array_wipe(__exit);
 }
 
-static void __attribute__((__constructor__,__used__))
-common_initialize(void)
+void common_init(void)
 {
+    static bool __ran = false;
+    if (__ran) {
+        return;
+    }
     if (atexit(common_shutdown)) {
         fputs("Cannot hook my atexit function, quitting !\n", stderr);
         abort();
     }
-
-    for (int i = 0; __madinit[i]; i++) {
-        if ((*__madinit[i])()) {
-            exit(EXIT_FAILURE);
-        }
-    }
+    __ran = true;
 }