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* Revert r19797, and use a simpler solution: just don't monitor build

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hooks for silence.  It's unnecessary because the remote nix-store
  command is already monitoring the real build.
This commit is contained in:
Eelco Dolstra 2010-02-03 21:38:41 +00:00
parent f859a8d3c3
commit 4e17be7981
4 changed files with 21 additions and 37 deletions
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14
src/libstore/pathlocks.cc
View file

@ -37,8 +37,7 @@ void deleteLockFile(const Path & path, int fd)
}
bool lockFile(int fd, LockType lockType, bool wait,
unsigned int progressInterval)
bool lockFile(int fd, LockType lockType, bool wait)
{
struct flock lock;
if (lockType == ltRead) lock.l_type = F_RDLCK;
@ -50,20 +49,11 @@ bool lockFile(int fd, LockType lockType, bool wait,
lock.l_len = 0; /* entire file */
if (wait) {
/* Wait until we acquire the lock. If `progressInterval' is
non-zero, when print a message every `progressInterval'
seconds. This is mostly to make sure that remote builders
aren't killed due to the `max-silent-time' inactivity
monitor while waiting for the garbage collector lock. */
while (1) {
if (progressInterval) alarm(progressInterval);
if (fcntl(fd, F_SETLKW, &lock) == 0) break;
while (fcntl(fd, F_SETLKW, &lock) != 0) {
checkInterrupt();
if (errno != EINTR)
throw SysError(format("acquiring/releasing lock"));
if (progressInterval) printMsg(lvlError, "still waiting for lock...");
}
alarm(0);
} else {
while (fcntl(fd, F_SETLK, &lock) != 0) {
checkInterrupt();