libaitio/src/aitio.c - diff

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-version 1.6, 2011/06/07 11:49:39
+version 1.7, 2011/10/31 13:53:51
  Line 558  ioWatchDirLoop(const char *csDir, int (*callback)(cons
          close(kq);
          return n;
  }
+ /*
+  * ioCreatePIDFile() Create PID file
+  * @csName = PID filename
+  * @ifExists = !=0 if filename exists return error
+  * return: -1 error or 0 ok
+  */
+ inline int
+ ioCreatePIDFile(const char *csName, int ifExists)
+ {
+         int fd;
+         char str[STRSIZ] = { 0 };
+         if (!csName)
+                 return -1;
+         fd = open(csName, O_WRONLY | O_CREAT | (ifExists ? O_EXCL : 0), 0644);
+         if (fd == -1) {
+                 LOGERR;
+                 return -1;
+         }
+         snprintf(str, sizeof str, "%d", getpid());
+         write(fd, str, strlen(str));
+         close(fd);
+         return 0;
+ }