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Commit | Line | Data |
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7ac48069 | 1 | /* $Id$ |
3c46fcae | 2 | * |
7ac48069 | 3 | * This program starts the moira server in a "clean" environment. |
4 | * and then waits for it to exit. | |
5eaef520 | 5 | * |
7ac48069 | 6 | * Copyright (C) 1987-1998 by the Massachusetts Institute of Technology |
7 | * For copying and distribution information, please see the file | |
8 | * <mit-copyright.h>. | |
3c46fcae | 9 | */ |
10 | ||
c801de4c | 11 | #include <mit-copyright.h> |
7ac48069 | 12 | #include <moira.h> |
13 | #include <moira_site.h> | |
14 | ||
15 | #include <sys/resource.h> | |
16 | #include <sys/wait.h> | |
17 | ||
960b073b | 18 | #include <errno.h> |
7ac48069 | 19 | #include <fcntl.h> |
20 | #include <signal.h> | |
3c46fcae | 21 | #include <stdio.h> |
960b073b | 22 | #include <string.h> |
7ac48069 | 23 | #include <unistd.h> |
03c05291 | 24 | |
7ac48069 | 25 | RCSID("$Header$"); |
3c46fcae | 26 | |
2ce085d2 | 27 | #define PROG "moirad" |
3c46fcae | 28 | |
29 | int rdpipe[2]; | |
03c05291 | 30 | char *whoami; |
7ac48069 | 31 | void cleanup(void); |
3c46fcae | 32 | |
5eaef520 | 33 | void cleanup(void) |
3c46fcae | 34 | { |
5eaef520 | 35 | int stat, serrno = errno; |
36 | char buf[BUFSIZ]; | |
37 | ||
38 | buf[0] = '\0'; | |
39 | ||
40 | while (waitpid(-1, &stat, WNOHANG) > 0) | |
41 | { | |
42 | if (WIFEXITED(stat)) | |
43 | { | |
44 | if (WEXITSTATUS(stat)) | |
45 | { | |
46 | sprintf(buf, "exited with code %d\n", WEXITSTATUS(stat)); | |
a816420b | 47 | critical_alert(whoami, "startmoira", "%s", buf); |
5eaef520 | 48 | } |
3c46fcae | 49 | } |
5eaef520 | 50 | if (WIFSIGNALED(stat)) |
51 | { | |
52 | sprintf(buf, "exited on signal %d%s\n", WTERMSIG(stat), | |
53 | (WCOREDUMP(stat) ? "; Core dumped" : "")); | |
54 | if (WCOREDUMP(stat)) | |
a816420b | 55 | critical_alert(whoami, "startmoira", "%s", buf); |
5eaef520 | 56 | } |
57 | write(rdpipe[1], buf, strlen(buf)); | |
58 | close(rdpipe[1]); | |
59 | } | |
60 | errno = serrno; | |
3c46fcae | 61 | } |
62 | ||
5eaef520 | 63 | int main(int argc, char *argv[]) |
3c46fcae | 64 | { |
5eaef520 | 65 | char buf[BUFSIZ]; |
66 | FILE *log, *prog; | |
7ac48069 | 67 | int logf, inf, i, done, pid; |
5eaef520 | 68 | struct rlimit rl; |
69 | ||
5eaef520 | 70 | struct sigaction action; |
71 | int nfds; | |
72 | ||
73 | whoami = argv[0]; | |
74 | ||
75 | getrlimit(RLIMIT_NOFILE, &rl); | |
76 | nfds = rl.rlim_cur; | |
77 | ||
78 | action.sa_handler = cleanup; | |
79 | action.sa_flags = 0; | |
80 | sigemptyset(&action.sa_mask); | |
81 | sigaction(SIGCHLD, &action, NULL); | |
82 | ||
59ec8dae | 83 | sprintf(buf, "%s/moira.log", MOIRA_DIR); |
5eaef520 | 84 | logf = open(buf, O_CREAT|O_WRONLY|O_APPEND, 0640); |
85 | if (logf < 0) | |
86 | { | |
87 | perror(buf); | |
88 | exit(1); | |
89 | } | |
90 | inf = open("/dev/null", O_RDONLY , 0); | |
91 | if (inf < 0) | |
92 | { | |
93 | perror("/dev/null"); | |
94 | exit(1); | |
95 | } | |
96 | pipe(rdpipe); | |
97 | if (fork()) | |
98 | exit(0); | |
99 | chdir("/"); | |
100 | close(0); | |
101 | close(1); | |
102 | close(2); | |
103 | dup2(inf, 0); | |
104 | dup2(inf, 1); | |
105 | dup2(inf, 2); | |
106 | ||
107 | setpgrp(); | |
108 | sprintf(buf, "%s/%s", BIN_DIR, PROG); | |
109 | ||
110 | if ((pid = fork()) == 0) | |
111 | { | |
112 | dup2(inf, 0); | |
113 | dup2(rdpipe[1], 1); | |
114 | dup2(1, 2); | |
115 | for (i = 3; i < nfds; i++) | |
116 | close(i); | |
117 | execl(buf, PROG, 0); | |
118 | perror("cannot run moirad"); | |
119 | exit(1); | |
120 | } | |
121 | if (pid < 0) | |
122 | { | |
123 | perror("moira_starter"); | |
124 | exit(1); | |
125 | } | |
126 | ||
127 | log = fdopen(logf, "w"); | |
128 | prog = fdopen(rdpipe[0], "r"); | |
129 | ||
130 | do | |
131 | { | |
132 | char *time_s; | |
133 | long foo; | |
134 | ||
135 | done = 0; | |
136 | errno = 0; | |
137 | if (!fgets(buf, BUFSIZ, prog)) | |
138 | { | |
139 | if (errno && errno != EINTR) | |
140 | { | |
141 | strcpy(buf, "Unable to read from program: "); | |
7ac48069 | 142 | strcat(buf, strerror(errno)); |
5eaef520 | 143 | strcat(buf, "\n"); |
144 | } | |
145 | else | |
146 | break; | |
147 | } | |
148 | time(&foo); | |
149 | time_s = ctime(&foo) + 4; | |
150 | time_s[strlen(time_s) - 6] = '\0'; | |
151 | fprintf(log, "%s %s", time_s, buf); | |
152 | fflush(log); | |
153 | } | |
154 | while (!done); | |
155 | exit(0); | |
3c46fcae | 156 | } |