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-rw-r--r--src/tests/test_process.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/src/tests/test_process.c b/src/tests/test_process.c
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--- /dev/null
+++ b/src/tests/test_process.c
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+/*
+ * test_procps -- program to create a process to test procps
+ *
+ * Copyright 2015 Craig Small <csmall@dropbear.xyz>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+#ifdef __linux__
+#include <sys/prctl.h>
+#endif
+#include "c.h"
+
+#define DEFAULT_SLEEPTIME 300
+#define MY_NAME "spcorp"
+
+static void usage(void)
+{
+ fprintf(stderr, " %s [options]\n", program_invocation_short_name);
+ fprintf(stderr, " -s <seconds>\n");
+ exit(EXIT_FAILURE);
+}
+
+
+void
+signal_handler(int signum, siginfo_t *siginfo, void *ucontext)
+{
+ char *signame = NULL;
+
+ switch(signum) {
+ case SIGUSR1:
+ signame = strdup("SIGUSR1");
+ break;
+ case SIGUSR2:
+ signame = strdup("SIGUSR2");
+ break;
+ default:
+ printf("SIG unknown\n");
+ exit(EXIT_FAILURE);
+ }
+ if (signame == NULL) {
+ printf("SIG malloc error\n");
+ exit(EXIT_FAILURE);
+ }
+ switch (siginfo->si_code) {
+ case SI_USER:
+ printf("SIG %s\n", signame);
+ break;
+ case SI_QUEUE:
+#ifdef HAVE_SIGINFO_T_SI_INT
+ printf("SIG %s value=%d\n", signame, siginfo->si_int);
+#else
+ printf("case SI_QUEUE: SIG %s siginfo->si_int undefined\n", signame);
+#endif
+ break;
+ default:
+ printf("Unknown si_code %d\n", siginfo->si_code);
+ exit(EXIT_FAILURE);
+ }
+
+ free(signame);
+}
+
+int main(int argc, char *argv[])
+{
+ int sleep_time, opt;
+ struct sigaction signal_action;
+
+ sleep_time = DEFAULT_SLEEPTIME;
+ while ((opt = getopt(argc, argv, "s:")) != -1) {
+ switch(opt) {
+ case 's':
+ sleep_time = atoi(optarg);
+ if (sleep_time < 1) {
+ fprintf(stderr, "sleep time must be 1 second or more\n");
+ usage();
+ }
+ break;
+ default:
+ usage();
+ }
+ }
+
+ /* Setup signal handling */
+ signal_action.sa_sigaction = signal_handler;
+ sigemptyset (&signal_action.sa_mask);
+ signal_action.sa_flags = SA_SIGINFO;
+ sigaction(SIGUSR1, &signal_action, NULL);
+ sigaction(SIGUSR2, &signal_action, NULL);
+
+#ifdef __linux__
+ /* set process name */
+ prctl(PR_SET_NAME, MY_NAME, NULL, NULL, NULL);
+#endif
+
+ while (sleep_time > 0) {
+ sleep_time = sleep(sleep_time);
+ }
+ return EXIT_SUCCESS;
+}