From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Tue, 24 Aug 2010 12:42:47 +0000 (-0400)
Subject: When not logging I/O install a handler for SIGCONT and deliver it
X-Git-Tag: SUDO_1_8_0~272
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2cef2bb5b0d8c3aaa358735ca3fb1986dc44a778;p=sudo

When not logging I/O install a handler for SIGCONT and deliver it
to the command upon resume.  Fixes bugzilla #431
---

diff --git a/src/exec.c b/src/exec.c
index 76875e44b..d2e80291c 100644
--- a/src/exec.c
+++ b/src/exec.c
@@ -96,8 +96,15 @@ static int fork_cmnd(struct command_details *details, char *argv[],
     char *envp[], int sv[2])
 {
     struct command_status cstat;
+    sigaction_t sa;
     int pid;
 
+    zero_bytes(&sa, sizeof(sa));
+    sigemptyset(&sa.sa_mask);
+    sa.sa_flags = SA_INTERRUPT; /* do not restart syscalls */
+    sa.sa_handler = handler;
+    sigaction(SIGCONT, &sa, NULL);
+
     pid = fork();
     switch (pid) {
     case -1: