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Only check status field if waitpid() did not fail - noice - small file browser … |
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git clone git://git.codemadness.org/noice |
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--- |
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commit ab7d3fba38ec3bfe6ce6ba223106c05fdd00331d |
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parent 19a73c3706a1b4fbfe8dfe03f570d4a6dc468186 |
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Author: sin <[email protected]> |
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Date: Thu, 22 Aug 2019 16:04:39 +0100 |
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Only check status field if waitpid() did not fail |
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Diffstat: |
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M spawn.c | 8 +++++--- |
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1 file changed, 5 insertions(+), 3 deletions(-) |
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--- |
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diff --git a/spawn.c b/spawn.c |
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@@ -13,7 +13,7 @@ int |
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spawnvp(char *dir, char *file, char *argv[]) |
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{ |
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pid_t pid; |
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- int status; |
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+ int status, r; |
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pid = fork(); |
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switch (pid) { |
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@@ -25,8 +25,10 @@ spawnvp(char *dir, char *file, char *argv[]) |
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execvp(file, argv); |
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_exit(1); |
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default: |
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- while (waitpid(pid, &status, 0) == -1 && errno == EINTR) |
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- ; |
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+ while ((r = waitpid(pid, &status, 0)) == -1 && errno == EINTR) |
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+ continue; |
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+ if (r == -1) |
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+ return -1; |
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if (WIFEXITED(status) && WEXITSTATUS(status) != 0) |
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return -1; |
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} |
