floraachy
/
OpenBLAS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Handle shmem init failures in cpu affinity setup code 

Failures to obtain or attach shared memory segments would lead to an exit without explanation of the exact cause.
This change introduces a more verbose error message and tries to make the code continue without setting cpu affinity.
Fixes #1351
This commit is contained in:
Martin Kroeker 2017-11-18 23:57:44 +01:00 committed by GitHub
parent 9251a2efde
commit 07e7c36dac
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
driver/others/init.c
View File

@ -26,7 +26,7 @@ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIA
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
kOR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**********************************************************************************/
@ -635,6 +635,8 @@ static int open_shmem(void) {
int try = 0;
int err = 0;
do {
#if defined(BIGNUMA)
@ -652,18 +654,22 @@ static int open_shmem(void) {
#endif
}
if (shmid == -1) err = errno;
try ++;
} while ((try < 10) && (shmid == -1));
if (shmid == -1) {
perror ("Obtaining shared memory segment failed in open_shmem");
fprintf (stderr, "Obtaining shared memory segment failed in open_shmem: %s\n",strerror(err));
fprintf (stderr, "Setting CPU affinity not possible without shared memory access.\n");
return (1);
}
if (shmid != -1) {
if ( (common = shmat(shmid, NULL, 0)) == (void*)-1) {
perror ("Attaching shared memory segment failed in open_shmem");
fprintf (stderr, "Setting CPU affinity not possible without shared memory access.\n");
return (1);
}
}
@ -679,11 +685,13 @@ static int create_pshmem(void) {
if (pshmid == -1) {
perror ("Obtaining shared memory segment failed in create_pshmem");
fprintf (stderr, "Setting CPU affinity not possible without shared memory access.\n");
return(1);
}
if ( (paddr = shmat(pshmid, NULL, 0)) == (void*)-1) {
perror ("Attaching shared memory segment failed in create_pshmem");
fprintf (stderr, "Setting CPU affinity not possible without shared memory access.\n");
return (1);
}