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authorJohn Beppu <beppu@lbox.org>1999-12-09 22:10:18 +0000
committerJohn Beppu <beppu@lbox.org>1999-12-09 22:10:18 +0000
commitf95ca97d1bb94307ee0b8ed95d329dc9d6ccec85 (patch)
treec494de94d27e7d8dc8fdd43b1ca8fe6710e15eda /utility.c
parent395b216a2eb70ea2796556c06be01261de993687 (diff)
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findInitPid() has been implemented and it seems to work.
reboot has been changed to take advantage of findInitPid();
Diffstat (limited to 'utility.c')
-rw-r--r--utility.c43
1 files changed, 34 insertions, 9 deletions
diff --git a/utility.c b/utility.c
index de7a0fbfc..42ee00c50 100644
--- a/utility.c
+++ b/utility.c
@@ -1068,14 +1068,39 @@ extern long getNum (const char *cp)
1068} 1068}
1069#endif 1069#endif
1070 1070
1071#if 1
1072/* findInitPid()
1073 *
1074 * This finds the pid of init (which is not always 1).
1075 * Currently, it's implemented by rummaging through the proc filesystem.
1076 *
1077 * [return]
1078 * 0 failure
1079 * pid when init's pid is found.
1080 */
1081extern pid_t
1082findInitPid()
1083{
1084 pid_t init_pid;
1085 char filename[256];
1086 char buffer[256];
1087
1088 /* no need to opendir ;) */
1089 for (init_pid = 1; init_pid < 65536; init_pid++) {
1090 FILE *status;
1091
1092 sprintf(filename, "/proc/%d/status", init_pid);
1093 status = fopen(filename, "r");
1094 if (!status) { continue; }
1095 fgets(buffer, 256, status);
1096 fclose(status);
1097
1098 if ( (strcmp(&buffer[6], "init\n") == 0)) {
1099 return init_pid;
1100 }
1101 }
1102 return 0;
1103}
1104#endif
1071 1105
1072/* END CODE */ 1106/* END CODE */
1073
1074
1075
1076
1077
1078
1079
1080
1081