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Diffstat (limited to 'www/tomcat41/files/daemonctl.c')
-rw-r--r--www/tomcat41/files/daemonctl.c110
1 files changed, 90 insertions, 20 deletions
diff --git a/www/tomcat41/files/daemonctl.c b/www/tomcat41/files/daemonctl.c
index 36bbde6fb259..6e9a6b25b4b7 100644
--- a/www/tomcat41/files/daemonctl.c
+++ b/www/tomcat41/files/daemonctl.c
@@ -4,7 +4,7 @@
*
* Daemon control program.
*
- * $FreeBSD: /tmp/pcvs/ports/www/tomcat41/files/Attic/daemonctl.c,v 1.4 2002-04-08 19:19:31 znerd Exp $
+ * $FreeBSD: /tmp/pcvs/ports/www/tomcat41/files/Attic/daemonctl.c,v 1.5 2002-04-08 21:50:22 znerd Exp $
*/
#include <assert.h>
@@ -21,8 +21,13 @@
#include <sys/types.h>
#include <sys/uio.h>
+/* The maximum size of the PID file, in bytes */
#define MAX_FILE_SIZE 32
+/* The interval in seconds between the checks to make sure the process
+ died after a kill */
+#define STOP_TIME_INTERVAL 1
+
#define ERR_ILLEGAL_ARGUMENT 1
#define ERR_PID_FILE_NOT_FOUND 2
#define ERR_PID_FILE_TOO_LARGE 3
@@ -196,8 +201,8 @@ void writePID(int file, int pid) {
printf(">> Writing PID file...");
- lseek(file, 0, SEEK_SET);
- ftruncate(file, 0);
+ lseek(file, (off_t) 0, SEEK_SET);
+ ftruncate(file, (off_t) 0);
nbytes = asprintf(&buffer, "%d\n", pid);
write(file, buffer, nbytes);
printf(" [ DONE ]\n");
@@ -205,6 +210,34 @@ void writePID(int file, int pid) {
/**
+ * Checks if the specified process is running.
+ *
+ * @param pid
+ * the process id, greater than 0.
+ *
+ * @return
+ * 0 if the specified process is not running, a different value otherwise.
+ */
+int existsProcess(int pid) {
+
+ int result;
+
+ /* Check preconditions */
+ assert(pid > 0);
+
+ /* See if the process exists */
+ result = kill(pid, 0);
+
+ /* If the result is 0, then the process exists */
+ if (result == 0) {
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+
+/**
* Kills the process identified by the specified ID.
*
* @param pid
@@ -213,10 +246,15 @@ void writePID(int file, int pid) {
void killProcess(int pid) {
int result;
+ unsigned int waited;
+ unsigned int forced;
+ unsigned int interval = STOP_TIME_INTERVAL;
+ unsigned int timeout = %%STOP_TIMEOUT%%;
+ /* Check preconditions */
assert(pid > 0);
- printf(">> Killing process %d...", pid);
+ printf(">> Terminating process %d...", pid);
result = kill(pid, SIGTERM);
if (result < 0) {
printf(" [ FAILED ]\n");
@@ -225,7 +263,37 @@ void killProcess(int pid) {
exit(ERR_KILL_FAILED);
}
- printf(" [ DONE ]\n");
+ /* Wait until the process is actually killed */
+ result = existsProcess(pid);
+ for (waited=0; result == 1 && waited < timeout; waited += interval)
+ {
+ printf(".");
+ fflush(NULL);
+ sleep(interval);
+ result = existsProcess(pid);
+ }
+
+ /* If the process still exists, then have no mercy and kill it */
+ forced = 0;
+ if (result == 1) {
+
+ /* Force the process to die */
+ result = kill(pid, SIGKILL);
+ if (result == 0) {
+ forced = 1;
+ printf(" [ DONE ]\n");
+ fprintf(stderr, "%%CONTROL_SCRIPT_NAME%%: Process %d did not terminate within %%STOP_TIMEOUT%% sec. Killed.\n", pid);
+ } else if (result != ESRCH) {
+ printf(" [ FAILED ]\n");
+ fprintf(stderr, "%%CONTROL_SCRIPT_NAME%%: Unable to kill process %d: ", pid);
+ perror(NULL);
+ exit(ERR_KILL_FAILED);
+ }
+ }
+
+ if (forced == 0) {
+ printf(" [ DONE ]\n");
+ }
}
@@ -246,14 +314,14 @@ void start(void) {
file = openPIDFile();
pid = readPID(file);
- printf(">> Starting %%APP_TITLE%%...");
+ printf(">> Starting %%APP_TITLE%% %%PORTVERSION%%...");
if (pid != -1) {
/* Check if the process actually exists */
- result = kill(pid, 0);
- if (result == 0 || errno != ESRCH) {
+ result = existsProcess(pid);
+ if (result == 1) {
printf(" [ FAILED ]\n");
- fprintf(stderr, "%%CONTROL_SCRIPT_NAME%%: %%APP_TITLE%% is already running, PID is %d.\n", pid);
+ fprintf(stderr, "%%CONTROL_SCRIPT_NAME%%: %%APP_TITLE%% %%PORTREVISION%% is already running, PID is %d.\n", pid);
exit(ERR_ALREADY_RUNNING);
}
}
@@ -310,7 +378,7 @@ void start(void) {
perror(NULL);
exit(ERR_STDOUT_LOGFILE_OPEN);
}
- lseek(stdoutLogFile, 0, SEEK_END);
+ lseek(stdoutLogFile, (off_t) 0, SEEK_END);
/* Open the stderr log file */
stderrLogFile = open("%%STDERR_LOG%%", O_WRONLY);
@@ -320,7 +388,7 @@ void start(void) {
perror(NULL);
exit(ERR_STDERR_LOGFILE_OPEN);
}
- lseek(stderrLogFile, 0, SEEK_END);
+ lseek(stderrLogFile, (off_t) 0, SEEK_END);
/* Split this process in two */
pid = fork();
@@ -345,7 +413,7 @@ void start(void) {
/* Execute the command */
execl("%%JAVA_HOME%%/%%JAVA_CMD%%", "%%JAVA_HOME%%/%%JAVA_CMD%%", "-jar", %%JAVA_ARGS%% "%%JAR_FILE%%", %%JAR_ARGS%% NULL);
- fprintf(stderr, "%%CONTROL_SCRIPT_NAME%%: Unable to start %%APP_TITLE%% as '%%JAVA_HOME%%/%%JAVA_CMD%% -jar %%JAR_FILE%%' in %%APP_HOME%%: ");
+ fprintf(stderr, "%%CONTROL_SCRIPT_NAME%%: Unable to start %%APP_TITLE%% %%PORTVERSION%% since '%%JAVA_HOME%%/%%JAVA_CMD%% -jar %%JAR_FILE%%' in %%APP_HOME%%: ");
perror(NULL);
} else {
printf(" [ DONE ]\n");
@@ -362,17 +430,17 @@ void stop(void) {
int pid;
/* Open and read the PID file */
- printf(">> Opening PID file (%%PID_FILE%%)...");
+ printf(">> Reading PID file (%%PID_FILE%%)...");
file = openPIDFile();
pid = readPID(file);
- printf(">> Checking that %%APP_TITLE%% is running...");
+ printf(">> Checking if %%APP_TITLE%% %%PORTVERSION%% is running...");
/* If there is a PID, see if the process still exists */
if (pid != -1) {
int result = kill(pid, 0);
if (result != 0 && errno == ESRCH) {
- ftruncate(file, 0);
+ ftruncate(file, (off_t) 0);
pid = -1;
}
}
@@ -380,20 +448,22 @@ void stop(void) {
/* If there is no running process, produce an error */
if (pid == -1) {
printf(" [ FAILED ]\n");
- fprintf(stderr, "%%CONTROL_SCRIPT_NAME%%: %%APP_TITLE%% is currently not running.\n");
+ fprintf(stderr, "%%CONTROL_SCRIPT_NAME%%: %%APP_TITLE%% %%PORTVERSION%% is currently not running.\n");
exit(ERR_NOT_RUNNING);
}
-
printf(" [ DONE ]\n");
+ /* Terminate the process */
killProcess(pid);
- printf(">> Clearing PID file...");
- ftruncate(file, 0);
- printf(" [ DONE ]\n");
+ /* Clear the PID file */
+ ftruncate(file, (off_t) 0);
}
+/**
+ * Restarts the process. If it not currently running, then it will fail.
+ */
void restart(void) {
stop();
start();
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 14:07:42 +0000