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wrapper: add <no_priority_change> task option; run task at normal priority

This commit is contained in:
David Anderson 2014-10-09 12:27:10 -07:00
parent 11158c9418
commit 1cb8585ec0
1 changed files with 11 additions and 5 deletions
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16
samples/wrapper/wrapper.cpp
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@ -124,6 +124,8 @@ struct TASK {
bool is_daemon;
bool append_cmdline_args;
bool multi_process;
double time_limit;
bool no_priority_change;
// dynamic stuff follows
double current_cpu_time;
@ -133,12 +135,10 @@ struct TASK {
double starting_cpu;
// how much CPU time was used by tasks before this one
bool suspended;
double time_limit;
double elapsed_time;
#ifdef _WIN32
HANDLE pid_handle;
DWORD pid;
HANDLE thread_handle;
struct _stat last_stat; // mod time of checkpoint file
#else
int pid;
@ -381,6 +381,7 @@ int TASK::parse(XML_PARSER& xp) {
multi_process = false;
append_cmdline_args = false;
time_limit = 0;
no_priority_change = false;
while (!xp.get_tag()) {
if (!xp.is_tag) {
@ -418,6 +419,7 @@ int TASK::parse(XML_PARSER& xp) {
else if (xp.parse_bool("multi_process", multi_process)) continue;
else if (xp.parse_bool("append_cmdline_args", append_cmdline_args)) continue;
else if (xp.parse_double("time_limit", time_limit)) continue;
else if (xp.parse_bool("no_priority_change", no_priority_change)) continue;
}
return ERR_XML_PARSE;
}
@ -715,8 +717,10 @@ int TASK::run(int argct, char** argvt) {
if (env_vars) delete [] env_vars;
pid_handle = process_info.hProcess;
pid = process_info.dwProcessId;
thread_handle = process_info.hThread;
SetThreadPriority(thread_handle, THREAD_PRIORITY_IDLE);
if (!no_priority_change) {
HANDLE thread_handle = process_info.hThread;
SetThreadPriority(thread_handle, THREAD_PRIORITY_IDLE);
}
#else
int retval;
char* argv[256];
@ -772,7 +776,9 @@ int TASK::run(int argct, char** argvt) {
argv[0] = app_path;
strlcpy(arglist, command_line.c_str(), sizeof(arglist));
parse_command_line(arglist, argv+1);
setpriority(PRIO_PROCESS, 0, PROCESS_IDLE_PRIORITY);
if (!no_priority_change) {
setpriority(PRIO_PROCESS, 0, PROCESS_IDLE_PRIORITY);
}
if (!exec_dir.empty()) {
retval = chdir(exec_dir.c_str());
if (!retval) {