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selftests/powerpc: Check for pthread errors in tm-unavailable
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Signed-off-by: Cyril Bur <[email protected]>
Signed-off-by: Gustavo Romero <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
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cyrilbur-ibm authored and mpe committed Dec 4, 2017
1 parent 5c92988 commit 5783ee6
Showing 1 changed file with 34 additions and 9 deletions.
43 changes: 34 additions & 9 deletions tools/testing/selftests/powerpc/tm/tm-unavailable.c
Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
*/

#define _GNU_SOURCE
#include <error.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
Expand All @@ -33,6 +34,11 @@
#define VSX_UNA_EXCEPTION 2

#define NUM_EXCEPTIONS 3
#define err_at_line(status, errnum, format, ...) \
error_at_line(status, errnum, __FILE__, __LINE__, format ##__VA_ARGS__)

#define pr_warn(code, format, ...) err_at_line(0, code, format, ##__VA_ARGS__)
#define pr_err(code, format, ...) err_at_line(1, code, format, ##__VA_ARGS__)

struct Flags {
int touch_fp;
Expand Down Expand Up @@ -303,10 +309,19 @@ void test_fp_vec(int fp, int vec, pthread_attr_t *attr)
* checking if the failure cause is the one we expect.
*/
do {
int rc;

/* Bind 'ping' to CPU 0, as specified in 'attr'. */
pthread_create(&t0, attr, ping, (void *) &flags);
pthread_setname_np(t0, "ping");
pthread_join(t0, &ret_value);
rc = pthread_create(&t0, attr, ping, (void *) &flags);
if (rc)
pr_err(rc, "pthread_create()");
rc = pthread_setname_np(t0, "ping");
if (rc)
pr_warn(rc, "pthread_setname_np");
rc = pthread_join(t0, &ret_value);
if (rc)
pr_err(rc, "pthread_join");

retries--;
} while (ret_value != NULL && retries);

Expand All @@ -320,7 +335,7 @@ void test_fp_vec(int fp, int vec, pthread_attr_t *attr)

int main(int argc, char **argv)
{
int exception; /* FP = 0, VEC = 1, VSX = 2 */
int rc, exception; /* FP = 0, VEC = 1, VSX = 2 */
pthread_t t1;
pthread_attr_t attr;
cpu_set_t cpuset;
Expand All @@ -330,13 +345,23 @@ int main(int argc, char **argv)
CPU_SET(0, &cpuset);

/* Init pthread attribute. */
pthread_attr_init(&attr);
rc = pthread_attr_init(&attr);
if (rc)
pr_err(rc, "pthread_attr_init()");

/* Set CPU 0 mask into the pthread attribute. */
pthread_attr_setaffinity_np(&attr, sizeof(cpu_set_t), &cpuset);

pthread_create(&t1, &attr /* Bind 'pong' to CPU 0 */, pong, NULL);
pthread_setname_np(t1, "pong"); /* Name it for systemtap convenience */
rc = pthread_attr_setaffinity_np(&attr, sizeof(cpu_set_t), &cpuset);
if (rc)
pr_err(rc, "pthread_attr_setaffinity_np()");

rc = pthread_create(&t1, &attr /* Bind 'pong' to CPU 0 */, pong, NULL);
if (rc)
pr_err(rc, "pthread_create()");

/* Name it for systemtap convenience */
rc = pthread_setname_np(t1, "pong");
if (rc)
pr_warn(rc, "pthread_create()");

flags.result = 0;

Expand Down

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