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Read as much as possible data from shell processes on each read event

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We were reading at most 1024 bytes every time, going back to the event
loop.
This commit is contained in:
Maxime Coste 2016-12-03 12:41:36 +00:00
parent 75986911f8
commit 8a74ef9804
1 changed files with 10 additions and 7 deletions
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5
src/shell_manager.cc
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@ -161,6 +161,8 @@ std::pair<String, int> ShellManager::eval(
: FDWatcher(pipe.read_fd(), FdEvents::Read,
[&contents, &pipe](FDWatcher& watcher, FdEvents, EventMode) {
char buffer[1024];
while (fd_readable(pipe.read_fd()))
{
size_t size = ::read(pipe.read_fd(), buffer, 1024);
if (size <= 0)
{
@ -169,6 +171,7 @@ std::pair<String, int> ShellManager::eval(
return;
}
contents += StringView{buffer, buffer+size};
}
})
{}
};
@ -227,7 +230,7 @@ std::pair<String, int> ShellManager::eval(
if (wait_notified) // clear the status line
context.print_status({ "", get_face("Information") }, true);
return { stdout_contents, WIFEXITED(status) ? WEXITSTATUS(status) : -1 };
return { std::move(stdout_contents), WIFEXITED(status) ? WEXITSTATUS(status) : -1 };
}
void ShellManager::register_env_var(StringView str, bool prefix,