diff options
Diffstat (limited to 'meta/recipes-rt/rt-tests/files')
| -rw-r--r-- | meta/recipes-rt/rt-tests/files/hackbench-fix-error-check.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/meta/recipes-rt/rt-tests/files/hackbench-fix-error-check.patch b/meta/recipes-rt/rt-tests/files/hackbench-fix-error-check.patch new file mode 100644 index 0000000000..d17fdff455 --- /dev/null +++ b/meta/recipes-rt/rt-tests/files/hackbench-fix-error-check.patch @@ -0,0 +1,41 @@ +childinfo_t is a union that contains both signed (error) and unsigned +(threadid) members. Thus a large threadid could appear as a negative error +value, which will cause unexpected failures. + +childinfo_t should be changed to a struct, but it could potentially affect the +performance. So we keep it as a union but only check error against -1. There is +still a chance of false alarm but it's small. + +Upstream-Status: Pending + +Signed-off-by: Song.Li <Song.Li@windriver.com> +Signed-off-by: Jesse Zhang <sen.zhang@windriver.com> +--- + src/hackbench/hackbench.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/src/hackbench/hackbench.c b/src/hackbench/hackbench.c +index 8baeb23..dc0de8f 100644 +--- a/src/hackbench/hackbench.c ++++ b/src/hackbench/hackbench.c +@@ -317,7 +317,7 @@ static unsigned int group(childinfo_t *child, + ctx->wakefd = wakefd; + + child[tab_offset+i] = create_worker(ctx, (void *)(void *)receiver); +- if( child[tab_offset+i].error < 0 ) { ++ if( child[tab_offset+i].error == -1 ) { + return (i > 0 ? i-1 : 0); + } + snd_ctx->out_fds[i] = fds[1]; +@@ -332,7 +332,7 @@ static unsigned int group(childinfo_t *child, + snd_ctx->num_fds = num_fds; + + child[tab_offset+num_fds+i] = create_worker(snd_ctx, (void *)(void *)sender); +- if( child[tab_offset+num_fds+i].error < 0 ) { ++ if( child[tab_offset+num_fds+i].error == -1 ) { + return (num_fds+i)-1; + } + } +-- +1.7.9.5 + |