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lib/core: Add igt_reset_timeout

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Convenience wrapper suggested by Chris for igt_set_timeout(0, NULL).

v2: While at it add an empty line in kms_flip to make
set/reset_timeout a visual block.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
This commit is contained in:
Daniel Vetter 2015-08-07 19:12:07 +02:00
parent 370c989723
commit 5b0a8433fd
4 changed files with 18 additions and 3 deletions
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14
lib/igt_core.c
View File

@ -1771,7 +1771,8 @@ static void igt_alarm_handler(int signal)
* marked as failed.
*
* Any previous timer is cancelled and no timeout is scheduled if @seconds is
* zero.
* zero. But for clarity the timeout set with this function should be cleared
* with igt_reset_timeout().
*/
void igt_set_timeout(unsigned int seconds,
const char *op)
@ -1792,6 +1793,17 @@ void igt_set_timeout(unsigned int seconds,
alarm(seconds);
}
/**
* igt_reset_timeout - reset timeout to default
*
* This function resets a timeout set by igt_set_timeout() and disables any
* timer set up by the former function.
*/
void igt_reset_timeout(void)
{
igt_set_timeout(0, NULL);
}
FILE *__igt_fopen_data(const char* igt_srcdir, const char* igt_datadir,
const char* filename)
{

2
lib/igt_core.h
View File

@ -735,6 +735,8 @@ extern enum igt_log_level igt_log_level;
void igt_set_timeout(unsigned int seconds,
const char *op);
void igt_reset_timeout(void);
FILE *__igt_fopen_data(const char* igt_srcdir, const char* igt_datadir,
const char* filename);
/**

2
lib/igt_debugfs.c
View File

@ -465,7 +465,7 @@ static bool read_one_crc(igt_pipe_crc_t *pipe_crc, igt_crc_t *out)
igt_set_timeout(5, "CRC reading");
bytes_read = read(pipe_crc->crc_fd, &buf, pipe_crc->line_len);
igt_set_timeout(0, NULL);
igt_reset_timeout();
igt_assert_eq(bytes_read, pipe_crc->line_len);
buf[bytes_read] = '\0';

3
tests/kms_flip.c
View File

@ -1616,7 +1616,8 @@ static void test_nonblocking_read(int in)
igt_set_timeout(5, "Nonblocking DRM fd reading");
ret = read(fd, buffer, sizeof(buffer));
igt_set_timeout(0, NULL);
igt_reset_timeout();
igt_assert_eq(ret, -1);
igt_assert_eq(errno, EAGAIN);