Ian Lance Taylor <i...@google.com> writes:
> This patch updates the implementations of locks and notes used in libgo
> to use the current version from the master Go library. This now uses
> futexes when running on GNU/Linux, while still using semaphores on other
> systems. This implementation should be faster, and does not require
> explicit initialization. Bootstrapped and ran Go testsuite on
> x86_64-unknown-linux-gnu. I tested both the futex and the semaphore
> versions. Committed to mainline.
> +static int32
> +getproccount(void)
> +{
> + int32 fd, rd, cnt, cpustrlen;
> + const byte *cpustr, *pos;
> + byte *bufpos;
> + byte buf[256];
> +
> + fd = open("/proc/stat", O_RDONLY|O_CLOEXEC, 0);
This broke bootstrap on Linux/x86_64 (CentOS 5.5), which lacks
O_CLOEXEC.
Rainer
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Rainer Orth, Center for Biotechnology, Bielefeld University
