[Intel-gfx] [PATCH i-g-t] libs/igt_core.c: Fix compile warnings in igt_core.c

[Derek Morton]

Fixed variables incorrectly declared as signed instead of unsigned.

Fixed 'unused parameter' warning from signal handlers that were
not using the signal parameter.

Signed-off-by: Derek Morton <derek.j.mor...@intel.com>
---
 lib/igt_core.c | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/lib/igt_core.c b/lib/igt_core.c
index 8a1a249..fb0b634 100644
--- a/lib/igt_core.c
+++ b/lib/igt_core.c
@@ -440,6 +440,8 @@ static void low_mem_killer_disable(bool disable)
 bool igt_exit_called;
 static void common_exit_handler(int sig)
 {
+       (void)sig; /* Not used, suppress warning */
+
        if (!igt_only_list_subtests()) {
                low_mem_killer_disable(false);
        }
@@ -1104,7 +1106,7 @@ static pid_t helper_process_pids[] =
 
 static void reset_helper_process_list(void)
 {
-       for (int i = 0; i < ARRAY_SIZE(helper_process_pids); i++)
+       for (unsigned int i = 0; i < ARRAY_SIZE(helper_process_pids); i++)
                helper_process_pids[i] = -1;
        helper_process_count = 0;
 }
@@ -1121,8 +1123,10 @@ static int __waitpid(pid_t pid)
 
 static void fork_helper_exit_handler(int sig)
 {
+       (void)sig; /* Not used, suppress warning */
+
        /* Inside a signal handler, play safe */
-       for (int i = 0; i < ARRAY_SIZE(helper_process_pids); i++) {
+       for (unsigned int i = 0; i < ARRAY_SIZE(helper_process_pids); i++) {
                pid_t pid = helper_process_pids[i];
                if (pid != -1) {
                        kill(pid, SIGTERM);
@@ -1227,6 +1231,8 @@ static void children_exit_handler(int sig)
 {
        int status;
 
+       (void)sig; /* Not used, suppress warning */
+
        /* The exit handler can be called from a fatal signal, so play safe */
        while (num_test_children-- && wait(&status))
                ;
@@ -1376,16 +1382,18 @@ static void restore_sig_handler(int sig_num)
 
 static void restore_all_sig_handler(void)
 {
-       int i;
+       unsigned int i;
 
        for (i = 0; i < ARRAY_SIZE(orig_sig); i++)
-               restore_sig_handler(i);
+               restore_sig_handler((int)i);
 }
 
 static void call_exit_handlers(int sig)
 {
        int i;
 
+       (void)sig; /* Not used, suppress warning */
+
        if (!exit_handler_count) {
                return;
        }
@@ -1419,7 +1427,7 @@ static bool crash_signal(int sig)
 
 static void fatal_sig_handler(int sig)
 {
-       int i;
+       unsigned int i;
 
        for (i = 0; i < ARRAY_SIZE(handled_signals); i++) {
                if (handled_signals[i].number != sig)
@@ -1481,7 +1489,7 @@ static void fatal_sig_handler(int sig)
  */
 void igt_install_exit_handler(igt_exit_handler_t fn)
 {
-       int i;
+       unsigned int i;
 
        for (i = 0; i < exit_handler_count; i++)
                if (exit_handler_fn[i] == fn)
@@ -1521,7 +1529,7 @@ err:
 void igt_disable_exit_handler(void)
 {
        sigset_t set;
-       int i;
+       unsigned int i;
 
        if (exit_handler_disabled)
                return;
@@ -1724,6 +1732,8 @@ out:
 
 static void igt_alarm_handler(int signal)
 {
+       (void)signal; /* Not used, suppress warning */
+
        igt_info("Timed out\n");
 
        /* exit with failure status */
-- 
1.9.1

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