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Some more error checking just to be sure - sinit - suckless init |
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git clone git://git.suckless.org/sinit |
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README |
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LICENSE |
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--- |
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commit 9ad5329913cf99e5498ddff228d5906f9570e28b |
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parent 76b2240e1587129d4baefaffb738332440e20290 |
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Author: sin <[email protected]> |
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Date: Fri, 7 Feb 2014 16:46:16 +0000 |
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Some more error checking just to be sure |
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Diffstat: |
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M sinit.c | 13 ++++++++----- |
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1 file changed, 8 insertions(+), 5 deletions(-) |
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--- |
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diff --git a/sinit.c b/sinit.c |
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@@ -54,10 +54,13 @@ main(void) |
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return EXIT_FAILURE; |
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setsid(); |
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- sigemptyset(&sigset); |
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+ if (sigemptyset(&sigset) < 0) |
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+ eprintf("sinit: sigemptyset:"); |
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for (i = 0; i < LEN(dispatchsig); i++) |
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- sigaddset(&sigset, dispatchsig[i].sig); |
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- sigprocmask(SIG_BLOCK, &sigset, NULL); |
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+ if (sigaddset(&sigset, dispatchsig[i].sig) < 0) |
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+ eprintf("sinit: sigaddset:"); |
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+ if (sigprocmask(SIG_BLOCK, &sigset, NULL) < 0) |
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+ eprintf("sinit: sigprocmask:"); |
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sigfd = signalfd(-1, &sigset, 0); |
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if (sigfd < 0) |
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@@ -74,8 +77,8 @@ main(void) |
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if (ret > 0) { |
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if (FD_ISSET(sigfd, &rfds)) { |
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n = read(sigfd, &siginfo, sizeof(siginfo)); |
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- if (n <= 0) |
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- continue; |
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+ if (n < 0) |
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+ eprintf("sinit: read:"); |
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for (i = 0; i < LEN(dispatchsig); i++) |
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if (dispatchsig[i].sig == siginfo.ssi_… |
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dispatchsig[i].func(); |
