diff options
author | Robert Foss <robert.foss@collabora.com> | 2016-12-07 15:07:54 -0500 |
---|---|---|
committer | Tomeu Vizoso <tomeu.vizoso@collabora.com> | 2016-12-14 09:24:11 +0100 |
commit | f83ec418c40a428a96019f250f680d69e66588f9 (patch) | |
tree | a7ef42607ef4002345124118483dcac484d4463e /tests/sw_sync.c | |
parent | 51720a7c00c9621430135c695eb9d85668d1ace1 (diff) |
tests/sw_sync: Add subtest test_sync_busy_unixsocket
Add subtest test_sync_busy_fork which increments the timeline in a forked child
process, where the timeline fd has been sent through a UNIX socket.
Signed-off-by: Robert Foss <robert.foss@collabora.com>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Diffstat (limited to 'tests/sw_sync.c')
-rw-r--r-- | tests/sw_sync.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/tests/sw_sync.c b/tests/sw_sync.c index 453ba5ea..cb8c1f77 100644 --- a/tests/sw_sync.c +++ b/tests/sw_sync.c @@ -27,6 +27,8 @@ #include <pthread.h> #include <semaphore.h> #include <stdint.h> +#include <sys/socket.h> +#include <sys/types.h> #include <unistd.h> #include "igt.h" @@ -172,6 +174,104 @@ static void test_sync_busy(void) close(timeline); } +static void test_sync_busy_fork_unixsocket(void) +{ + int fence, ret; + int timeline; + int skip = 0; + int sv[2]; + + + timeline = sw_sync_timeline_create(); + fence = sw_sync_fence_create(timeline, 1); + + if (socketpair(AF_UNIX, SOCK_DGRAM, 0, sv) != 0) { + skip = 1; + goto out; + } + + switch (fork()) { + case 0: + { + /* Child process */ + int socket = sv[1]; + int socket_timeline; + struct msghdr msg = {0}; + struct cmsghdr *cmsg; + unsigned char *data; + char m_buffer[256]; + char c_buffer[256]; + struct iovec io = { .iov_base = m_buffer, .iov_len = sizeof(m_buffer) }; + close(sv[0]); + + msg.msg_iov = &io; + msg.msg_iovlen = 1; + msg.msg_control = c_buffer; + msg.msg_controllen = sizeof(c_buffer); + + if (recvmsg(socket, &msg, 0) < 0) + _Exit(1); + + cmsg = CMSG_FIRSTHDR(&msg); + data = CMSG_DATA(cmsg); + socket_timeline = *((int *) data); + + /* Advance timeline from 0 -> 1 */ + sw_sync_timeline_inc(socket_timeline, 1); + + _Exit(0); + break; + } + case -1: + { + /* Failed fork */ + skip = 1; + break; + } + default: + { + /* Parent process */ + int socket = sv[0]; + struct cmsghdr *cmsg; + struct iovec io = { .iov_base = (char *)"ABC", .iov_len = 3 }; + struct msghdr msg = { 0 }; + char buf[CMSG_SPACE(sizeof(timeline))]; + memset(buf, '\0', sizeof(buf)); + close(sv[1]); + + msg.msg_iov = &io; + msg.msg_iovlen = 1; + msg.msg_control = buf; + msg.msg_controllen = sizeof(buf); + + cmsg = CMSG_FIRSTHDR(&msg); + cmsg->cmsg_level = SOL_SOCKET; + cmsg->cmsg_type = SCM_RIGHTS; + cmsg->cmsg_len = CMSG_LEN(sizeof(timeline)); + + *((int *) CMSG_DATA(cmsg)) = timeline; + msg.msg_controllen = cmsg->cmsg_len; + + ret = sync_wait(fence, 0); + igt_assert_f(ret == -1 && errno == ETIME, "Fence signaled (it should not have been signalled yet)\n"); + + if (sendmsg(socket, &msg, 0) < 0) { + skip = 1; + goto out; + } + + ret = sync_wait(fence, 2*1000); + igt_assert_f(ret == 0, "Fence not signaled (timeline value 1 fence seqno 1)\n"); + break; + } + } + +out: + close(fence); + close(timeline); + igt_require(!skip); +} + static void test_sync_busy_fork(void) { int fence, ret; @@ -823,6 +923,9 @@ igt_main igt_subtest("sync_busy_fork") test_sync_busy_fork(); + igt_subtest("sync_busy_fork_unixsocket") + test_sync_busy_fork_unixsocket(); + igt_subtest("sync_merge_invalid") test_sync_merge_invalid(); |