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authorMattias Andrée <maandree@kth.se>2017-10-17 18:24:03 +0200
committerMattias Andrée <maandree@kth.se>2017-10-17 18:24:03 +0200
commit9eb16aa2cdcdf14642ef43e5498a8f626a72d99c (patch)
tree0fb5b58f2767674f3038f759d803822e0c780fe2 /src/orphan-reaper.c
parentupdate dist (diff)
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Rewrite and relicense2.3
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'src/orphan-reaper.c')
-rw-r--r--src/orphan-reaper.c102
1 files changed, 0 insertions, 102 deletions
diff --git a/src/orphan-reaper.c b/src/orphan-reaper.c
deleted file mode 100644
index 31dc257..0000000
--- a/src/orphan-reaper.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/**
- * orphan-reaper — Place subreapers in your process tree to keep it structured
- * Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
- *
- * 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 3 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, see <http://www.gnu.org/licenses/>.
- */
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/prctl.h>
-
-
-
-static void usage(void)
-{
- printf("USAGE: orphan-reaper [--fatal] [--] <command...>\n");
- printf("\n");
- printf("Unless `--fatal` is used, the program will run <command>\n");
- printf("even if the process could not be marked as a child subreaper.\n");
- printf("\n");
-}
-
-
-int main(int argc, char** argv)
-{
- int i, j, fatal = 0;
- char** exec_argv;
- pid_t pid;
-
- if ((argc < 2) || !strcmp(argv[1], "--help"))
- return usage(), argc < 2 ? 1 : 0;
-
- for (i = 1; i < argc; i++)
- if (!strcmp(argv[i], "--fatal"))
- fatal = 1;
- else if (!strcmp(argv[i], "--"))
- {
- i++;
- break;
- }
- else if (strstr(argv[i], "-") == argv[i])
- return usage(), 1;
- else
- break;
-
- if (i == argc)
- return usage(), 1;
-
- exec_argv = malloc((argc - i + 1) * sizeof(char*));
- if (exec_argv == NULL)
- return perror(*argv), 2;
- exec_argv[argc - i] = NULL;
- for (j = 0; i < argc; j++, i++)
- exec_argv[j] = argv[i];
-
- if (access(LIBEXECDIR "/reapd", X_OK) < 0)
- goto pfail;
-
- if (prctl(PR_SET_CHILD_SUBREAPER, 1) < 0)
- goto error;
-
- pid = fork();
- if (pid == -1)
- goto error;
- else if (pid == 0)
- goto exec;
- else
- {
- exec_argv[0] = LIBEXECDIR "/reapd";
- exec_argv[1] = NULL;
- execvp(*exec_argv, exec_argv);
- goto pfail;
- }
-
- exec:
- (void) prctl(PR_SET_CHILD_SUBREAPER, 0);
- execvp(*exec_argv, exec_argv);
- pfail:
- perror(*argv);
- fail:
- free(exec_argv);
- return 2;
-
- error:
- perror(*argv);
- if (fatal)
- goto fail;
- goto exec;
-}
-