Port to CMake, get rid of os_int.h.

[stg.git] / libs / scriptexecuter / scriptexecuter.c

diff --git a/libs/scriptexecuter/scriptexecuter.c b/libs/scriptexecuter/scriptexecuter.c
new file mode 100644 (file)
index 0000000..bdf6023
--- /dev/null
+++ b/libs/scriptexecuter/scriptexecuter.c
@@ -0,0 +1,110 @@
+#include <sys/types.h>
+#include <sys/ipc.h>
+#include <sys/msg.h>
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+
+#include "stg/scriptexecuter.h"
+
+#define MAX_SCRIPT_LEN  (1100)
+
+static int msgid;
+static int nonstop;
+
+//-----------------------------------------------------------------------------
+struct SCRIPT_DATA
+{
+    long    mtype;
+    char    script[MAX_SCRIPT_LEN];
+} sd;
+//-----------------------------------------------------------------------------
+static void CatchUSR1Executer()
+{
+nonstop = 0;
+}
+//-----------------------------------------------------------------------------
+int ScriptExec(const char * str)
+{
+if (strlen(str) >= MAX_SCRIPT_LEN)
+    return -1;
+
+strncpy(sd.script, str, MAX_SCRIPT_LEN);
+sd.mtype = 1;
+if (msgsnd(msgid, (void *)&sd, MAX_SCRIPT_LEN, 0) < 0)
+    return -1;
+
+return 0;
+}
+//-----------------------------------------------------------------------------
+#if defined(LINUX) || defined(DARWIN)
+void Executer(int msgID, pid_t pid, char * procName)
+#else
+void Executer(int msgID, pid_t pid)
+#endif
+{
+struct SCRIPT_DATA sd;
+struct sigaction newsa, oldsa;
+sigset_t sigmask;
+
+msgid = msgID;
+if (pid)
+    return;
+nonstop = 1;
+
+#if defined(LINUX) || defined(DARWIN)
+memset(procName, 0, strlen(procName));
+strcpy(procName, "stg-exec");
+#else
+setproctitle("stg-exec");
+#endif
+
+sigemptyset(&sigmask);
+sigaddset(&sigmask, SIGTERM);
+newsa.sa_handler = SIG_IGN;
+newsa.sa_mask = sigmask;
+newsa.sa_flags = 0;
+sigaction(SIGTERM, &newsa, &oldsa);
+
+sigemptyset(&sigmask);
+sigaddset(&sigmask, SIGINT);
+newsa.sa_handler = SIG_IGN;
+newsa.sa_mask = sigmask;
+newsa.sa_flags = 0;
+sigaction(SIGINT, &newsa, &oldsa);
+
+sigemptyset(&sigmask);
+sigaddset(&sigmask, SIGHUP);
+newsa.sa_handler = SIG_IGN;
+newsa.sa_mask = sigmask;
+newsa.sa_flags = 0;
+sigaction(SIGHUP, &newsa, &oldsa);
+
+sigemptyset(&sigmask);
+sigaddset(&sigmask, SIGUSR1);
+newsa.sa_handler = CatchUSR1Executer;
+newsa.sa_mask = sigmask;
+newsa.sa_flags = 0;
+sigaction(SIGUSR1, &newsa, &oldsa);
+
+while (nonstop)
+    {
+    sd.mtype = 1;
+    int ret = msgrcv(msgid, &sd, MAX_SCRIPT_LEN, 0, 0);
+
+    if (ret < 0)
+        {
+        usleep(20000);
+        continue;
+        }
+    ret = system(sd.script);
+    if (ret == -1)
+        {
+        // Fork failed
+        }
+    }
+}
+//-----------------------------------------------------------------------------