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Add set_non_blocking routing

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In preparation for upcoming generic unix automated
    algorithm benchmark method (as opposed to linux specific),
    add a utility method.
This commit is contained in:
Znort 987 2011-08-15 11:59:00 +02:00
parent 29f0f9bc18
commit 01886493cf
1 changed files with 29 additions and 2 deletions
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31
main.c
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@ -36,8 +36,10 @@
#include "findnonce.h" #include "findnonce.h"
#include "ocl.h" #include "ocl.h"
#if defined(__linux) #if defined(unix)
#include <sys/mman.h> #include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/wait.h> #include <sys/wait.h>
#include <sys/types.h> #include <sys/types.h>
#endif #endif
@ -449,6 +451,31 @@ static double bench_algo_stage3(
return rate; return rate;
} }
#if defined(unix)
// Change non-blocking status on a file descriptor
static void set_non_blocking(
int fd,
int yes
)
{
int flags = fcntl(fd, F_GETFL, 0);
if (flags<0) {
perror("fcntl(GET) failed");
exit(1);
}
flags = yes ? (flags|O_NONBLOCK) : (flags&~O_NONBLOCK);
int r = fcntl(fd, F_SETFL, flags);
if (r<0) {
perror("fcntl(SET) failed");
exit(1);
}
}
#endif // defined(unix)
// Algo benchmark, crash-safe, system-dependent stage
static double bench_algo_stage2( static double bench_algo_stage2(
enum sha256_algos algo enum sha256_algos algo
) )