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Replace perror with strerror

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Instead of printing the numeric value of errno, how about we do
something helpful?
This commit is contained in:
Derek Bankieris 2018-03-08 14:50:13 -06:00
parent 1179007fa1
commit 37b1e02455
1 changed files with 5 additions and 12 deletions
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17
trick_source/sim_services/ThreadBase/ThreadBase.cpp
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@ -1,7 +1,7 @@
#include <iostream> #include <iostream>
#include <stdio.h> #include <stdio.h>
#include <signal.h> #include <signal.h>
#include <cstring>
#if __linux #if __linux
#include <sys/syscall.h> #include <sys/syscall.h>
@ -159,8 +159,7 @@ int Trick::ThreadBase::execute_priority() {
if ( rt_priority > 0 ) { if ( rt_priority > 0 ) {
if (sched_getparam((pid_t) 0, &sparams)) { if (sched_getparam((pid_t) 0, &sparams)) {
perror("Error getting process scheduling parameters."); message_publish(MSG_ERROR, "Failed to get process scheduling parameters: %s\n", std::strerror(errno));
message_publish(MSG_ERROR, "Error %d when getting process scheduling parameters.\n", errno);
} else { } else {
/* Get maximum and minimum RT priority */ /* Get maximum and minimum RT priority */
@ -183,17 +182,13 @@ int Trick::ThreadBase::execute_priority() {
if (pthread_getschedparam(pthread_self(), &sched_policy, &sparams)) { if (pthread_getschedparam(pthread_self(), &sched_policy, &sparams)) {
perror("Error getting non-degrading priority."); message_publish(MSG_ERROR, "Failed to get process scheduling parameters: %s\n", std::strerror(errno));
message_publish(MSG_ERROR, "Error %d when getting non-degrading priority.\n", errno);
} }
/* Set the process priority. */ /* Set the process priority. */
sparams.sched_priority = proc_priority; sparams.sched_priority = proc_priority;
if (pthread_setschedparam(pthread_self(), SCHED_FIFO, &sparams)) { if (pthread_setschedparam(pthread_self(), SCHED_FIFO, &sparams)) {
perror("Error setting non-degrading priority."); message_publish(MSG_ERROR, "Failed to set thread priority: %s\n", std::strerror(errno));
message_publish(MSG_ERROR, "Error %d when setting non-degrading priority.\n", errno);
} else {
message_publish(MSG_INFO, "Thread %d: Using non degrading priority = %d.\n", pid, sparams.sched_priority);
} }
} }
} }
@ -257,9 +252,7 @@ int Trick::ThreadBase::execute_priority() {
ret = pthread_setschedparam(pthread_self(), sched_policy, &param); ret = pthread_setschedparam(pthread_self(), sched_policy, &param);
if (ret != 0) { if (ret != 0) {
perror("Error setting Darwin thread priority."); message_publish(MSG_ERROR, "Failed to set Darwin thread priority to %d: %s\n", param.sched_priority, std::strerror(errno));
message_publish(MSG_ERROR, "Error %d: Problem setting Darwin thread priority to %d.\n", errno, param.sched_priority);
message_publish(MSG_ERROR, "This should correspond to a Trick CPU priority of %d.\n", (max_priority - proc_priority) + 1); message_publish(MSG_ERROR, "This should correspond to a Trick CPU priority of %d.\n", (max_priority - proc_priority) + 1);
message_publish(MSG_ERROR, "The current Darwin thread priority is %d.\n", prev_priority); message_publish(MSG_ERROR, "The current Darwin thread priority is %d.\n", prev_priority);
message_publish(MSG_ERROR, "The Darwin thread priority range is %d:%d (min:max).\n", min_priority, max_priority); message_publish(MSG_ERROR, "The Darwin thread priority range is %d:%d (min:max).\n", min_priority, max_priority);