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Make system calls restart on signals instead of handling EINTR

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This leads to simpler code and probably fewer bugs.
This commit is contained in:
Maarten ter Huurne 2014-08-18 23:46:17 +02:00
parent 482bd09d78
commit 4550eebc90
2 changed files with 3 additions and 10 deletions
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1
src/gmenu2x.cpp
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@ -140,6 +140,7 @@ static void set_handler(int signal, void (*handler)(int))
struct sigaction sig; struct sigaction sig;
sigaction(signal, NULL, &sig); sigaction(signal, NULL, &sig);
sig.sa_handler = handler; sig.sa_handler = handler;
sig.sa_flags |= SA_RESTART;
sigaction(signal, &sig, NULL); sigaction(signal, &sig, NULL);
} }

12
src/utilities.cpp
View File

@ -116,11 +116,7 @@ bool writeStringToFile(string const& filename, string const& data) {
} }
// Close temporary file. // Close temporary file.
while (close(fd)) { ok &= close(fd) == 0;
if (errno != EINTR) {
return false;
}
}
// Replace actual output file with temporary file. // Replace actual output file with temporary file.
if (ok) { if (ok) {
@ -148,11 +144,7 @@ bool syncDir(string const& dirname)
bool ok = fsync(fd) == 0; bool ok = fsync(fd) == 0;
while (close(fd)) { ok &= close(fd) == 0;
if (errno != EINTR) {
return false;
}
}
return ok; return ok;
} }