X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-consumerd%2Flttng-consumerd.c;h=e5d7ba1c60051aebdd6c1f435b6c692294065e6f;hb=f02e1e8a5820da2eda835add020f92ca8d32c973;hp=9f2f02feba03897b7462de3250c863ec2ec37b55;hpb=1ccfc0e3afa3de78f5b1cfda99869bb5e393ace6;p=lttng-tools.git diff --git a/src/bin/lttng-consumerd/lttng-consumerd.c b/src/bin/lttng-consumerd/lttng-consumerd.c index 9f2f02feb..e5d7ba1c6 100644 --- a/src/bin/lttng-consumerd/lttng-consumerd.c +++ b/src/bin/lttng-consumerd/lttng-consumerd.c @@ -43,10 +43,8 @@ #include #include -#include -#include +#include #include -#include #include "lttng-consumerd.h" @@ -263,11 +261,26 @@ int main(int argc, char **argv) /* Daemonize */ if (opt_daemon) { + int i; + + /* + * fork + * child: setsid, close FD 0, 1, 2, chdir / + * parent: exit (if fork is successful) + */ ret = daemon(0, 0); if (ret < 0) { - perror("daemon"); + PERROR("daemon"); goto error; } + /* + * We are in the child. Make sure all other file + * descriptors are closed, in case we are called with + * more opened file descriptors than the standard ones. + */ + for (i = 3; i < sysconf(_SC_OPEN_MAX); i++) { + (void) close(i); + } } if (strlen(command_sock_path) == 0) {