diff options
author | Denys Vlasenko <vda.linux@googlemail.com> | 2020-12-17 12:55:22 +0100 |
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committer | Denys Vlasenko <vda.linux@googlemail.com> | 2020-12-17 12:55:22 +0100 |
commit | cd48f071173c2b24ae49f2b6eb35a76734f2d86b (patch) | |
tree | 6611dcae6293b759a963c5bdb56e371c9b93d382 | |
parent | b0e7cb4c3f1bd9872444711ebc44258430156cad (diff) | |
download | busybox-cd48f071173c2b24ae49f2b6eb35a76734f2d86b.tar.gz |
mail: launch_helper(): flush stdio before vfork, set G.helper_pid only in parent
function old new delta
launch_helper 188 193 +5
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r-- | mailutils/mail.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/mailutils/mail.c b/mailutils/mail.c index 7e9efdbfa..61e5053bc 100644 --- a/mailutils/mail.c +++ b/mailutils/mail.c @@ -46,7 +46,8 @@ void FAST_FUNC launch_helper(const char **argv) + (1 << SIGALRM) , signal_handler); - G.helper_pid = pid = xvfork(); + fflush_all(); + pid = xvfork(); if (pid == 0) { // child close(child_in.wr); @@ -59,6 +60,7 @@ void FAST_FUNC launch_helper(const char **argv) // NB: SIGCHLD & SIGALRM revert to SIG_DFL on exec BB_EXECVP_or_die((char**)argv); } + G.helper_pid = pid; close(child_out.wr); close(child_in.rd); xmove_fd(child_out.rd, STDIN_FILENO); |