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move signal handling before fork to avoid race with sigchild - scroll - scrollb… |
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git clone git://git.suckless.org/scroll |
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--- |
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commit d40d23e29abf05092af051831c400a220c41ffb7 |
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parent aa683cbd8388e9bd3ae2c961a9fce47d519e2d2f |
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Author: Jan Klemkow <[email protected]> |
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Date: Tue, 14 Apr 2020 21:33:11 +0200 |
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move signal handling before fork to avoid race with sigchild |
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Diffstat: |
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M scroll.c | 10 +++++----- |
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1 file changed, 5 insertions(+), 5 deletions(-) |
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--- |
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diff --git a/scroll.c b/scroll.c |
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@@ -415,6 +415,11 @@ main(int argc, char *argv[]) |
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if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) < 0) |
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die("ioctl:"); |
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+ if (signal(SIGCHLD, sigchld) == SIG_ERR) |
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+ die("signal:"); |
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+ if (signal(SIGWINCH, sigwinch) == SIG_ERR) |
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+ die("signal:"); |
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+ |
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child = forkpty(&mfd, NULL, &dfl, &ws); |
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if (child == -1) |
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die("forkpty:"); |
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@@ -441,11 +446,6 @@ main(int argc, char *argv[]) |
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die("pledge:"); |
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#endif |
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- if (signal(SIGCHLD, sigchld) == SIG_ERR) |
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- die("signal:"); |
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- if (signal(SIGWINCH, sigwinch) == SIG_ERR) |
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- die("signal:"); |
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- |
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struct termios new = dfl; |
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cfmakeraw(&new); |
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new.c_cc[VMIN ] = 1; /* return read if at least one byte in buf… |
