diff options
Diffstat (limited to 'src/process.c')
| -rw-r--r-- | src/process.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/process.c b/src/process.c index 70972fe..31e6e6f 100644 --- a/src/process.c +++ b/src/process.c @@ -16,6 +16,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <signal.h> #include "conntrackd.h" #include "process.h" @@ -26,9 +27,14 @@ int fork_process_new(void (*cb)(void *data), void *data) struct child_process *c; int pid; + /* block SIGCHLD to avoid the access of the list concurrently */ + sigprocmask(SIG_BLOCK, &STATE(block), NULL); + c = calloc(sizeof(struct child_process), 1); - if (c == NULL) + if (c == NULL) { + sigprocmask(SIG_UNBLOCK, &STATE(block), NULL); return -1; + } c->cb = cb; c->data = data; @@ -37,6 +43,8 @@ int fork_process_new(void (*cb)(void *data), void *data) if (c->pid > 0) list_add(&c->head, &process_list); + sigprocmask(SIG_UNBLOCK, &STATE(block), NULL); + return pid; } |