mirror of
https://github.com/opencontainers/runc.git
synced 2026-07-11 06:03:57 +08:00
Adrian Reber
bfca1e6262
Now that CRIU has released Go bindings, this commit vendors those in. At first it only replaces the copy of RPC interface but the goal is to use CRIU functions from the Go bindings instead of replicating the functionality in runc. Signed-off-by: Adrian Reber <areber@redhat.com>
58 lines
888 B
C
58 lines
888 B
C
#define _GNU_SOURCE
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#include <stdio.h>
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#include <signal.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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#include <sched.h>
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#define STKS (4*4096)
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#ifndef CLONE_NEWPID
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#define CLONE_NEWPID 0x20000000
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#endif
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static int do_test(void *logf)
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{
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int fd, i = 0;
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setsid();
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close(0);
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close(1);
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close(2);
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fd = open("/dev/null", O_RDONLY);
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if (fd != 0) {
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dup2(fd, 0);
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close(fd);
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}
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fd = open(logf, O_WRONLY | O_TRUNC | O_CREAT, 0600);
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dup2(fd, 1);
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dup2(fd, 2);
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if (fd != 1 && fd != 2)
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close(fd);
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while (1) {
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sleep(1);
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printf("%d\n", i++);
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fflush(stdout);
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}
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return 0;
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}
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int main(int argc, char **argv)
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{
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int pid;
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void *stk;
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stk = mmap(NULL, STKS, PROT_READ | PROT_WRITE,
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MAP_PRIVATE | MAP_ANON | MAP_GROWSDOWN, 0, 0);
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pid = clone(do_test, stk + STKS, SIGCHLD | CLONE_NEWPID, argv[1]);
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printf("Child forked, pid %d\n", pid);
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return 0;
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}
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