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→pgl
PGL (Program Loader) is a sysmodule designed for encapsulating all program loading logic.
PGL (Program Launcher) is a sysmodule designed for encapsulating all program launching / management logic.
The core logic of this sysmodule was previously encapsulated by the ns:dev interface (and the nn.nssrv.ProcessLaunchControlTask thread in particular).
= pgl =
= pgl =
| 6 || [[#BoostSystemMemoryResourceLimit]]
| 6 || [[#BoostSystemMemoryResourceLimit]]
|-
|-
| 7 ||
| 7 || [[#IsProcessTracked]]
|-
|-
| 8 ||
| 8 || [[#EnableApplicationCrashReport]]
|-
|-
| 9 ||
| 9 || [[#IsApplicationCrashReportEnabled]]
|-
|-
| 10 ||
| 10 || [[#EnableApplicationAllThreadDumpOnCrash]]
|-
|-
| 12 ||
| 12 || [[#TriggerSnapShotDumper]]
|-
|-
| 20 || [[#GetEventObserver]]
| 20 || [[#GetShellEventObserver]]
|-
| 21 || [11.0.0+]
|}
|}
|-
|-
| 2 || 4 || LaunchFlags_EnableCrashReportScreenShotForDevelop
| 2 || 4 || LaunchFlags_EnableCrashReportScreenShotForDevelop
|-
|}
= SnapShotDumpType =
The SnapShotDumpType enum looks like this:
{| class=wikitable
! Value || Name
|-
| 0 || SnapShotDumpType_None
|-
| 1 || SnapShotDumpType_Auto
|-
| 2 || SnapShotDumpType_Full
|-
|-
|}
|}
This just calls pm:shell->TerminateProcess with the input process id.
This just calls pm:shell->TerminateProcess with the input process id.
== GetEventObserver ==
== GetShellEventObserver ==
No input. Returns an [[#IEventObserver]].
No input. Returns an [[#IEventObserver]].
Error 0x6E4 is returned when there is no application process.
Error 0x6E4 is returned when there is no application process.
== BoostSystemMemoryResourceLimit
== BoostSystemMemoryResourceLimit ==
This takes in a u64 mem_size, and uses it as input to pm:shell->BoostSystemMemoryResourceLimit
This takes in a u64 mem_size, and uses it as input to pm:shell->BoostSystemMemoryResourceLimit
== EnableApplicationCrashReport ==
Takes an input boolean "enable".
This calls pm:shell->GetApplicationProcessId. If the returned process ID is tracked, this sets or clears bit 1 (value 0x2) in the tracked process's flags.
When a process crash event occurs and pgl launches crash report, the second argument is "%d" formatted with the bitwise AND of this bit and bit 0 (value 0x1).
LaunchFlags_EnableDetailedCrashReport causes the process to have both of these flags set, otherwise they are both zero.
Thus this command is only useful for disabling/toggling detailed crash reports for applications launched with LaunchFlags_EnableDetailedCrashReport, as processes without the launch flag will always send "0" for the creport argument.
== IsApplicationCrashReportEnabled ==
This returns the value of the bit set or cleared by [[#EnableApplicationCrashReport]]
== EnableApplicationAllThreadDumpOnCrash ==
Takes an input boolean "enable".
This calls pm:shell->GetApplicationProcessId. If the returned process ID is tracked, this sets or clears bit 3 (value 0x8) in the tracked process's flags.
Using this command unconditionally sets bit 2 (value 0x4) in the tracked process's flags.
When the SnapShotDumper is launched, argument "-log %d" is set to the value of bit 3 if bit 2 is 1. Otherwise, argument "-log %d" is set to the value of the system setting "snap_shot_dump!output_all_log".
Thus, this overrides the log option for the current application process from snap_shot_dump!output_all_log with the input value.
Previously this functionality was controlled by ns:am2->EnableApplicationAllThreadDumpOnCrash, which is now a wrapper for this function.
== TriggerSnapShotDumper ==
This takes an input 32 "SnapShotDumpType" and an input MapAliasBuffer "argument".
This manually invokes the same function to launch the SnapShotDumper program (0100000000002071) as is called automatically when a process crashes and jit_debug!enable_jit_debug is 1.
If the argument is NULL, then the snap shot dumper is launched with argument Format("D %010llu -log %d -dump %d", process_id, log_option, snap_shot_dump_type - 1).
If the argument is not NULL, the snap shot dumper is launched with argument Format("D %010llu \"%s\" -log %d -dump %d", process_id, argument, log_option, snap_shot_dump_type - 1).
When invoked automatically, the SnapShotDumpType is SnapShotDumpType_Full if both "snap_shot_dump!full_dump" and "snap_shot_dump!auto_dump" are true, SnapShotDumpType_Auto if only "snap_shot_dump!auto_dump" is 1, and SnapShotDumpType_None otherwise.
== IEventObserver ==
== IEventObserver ==
! Cmd || Name
! Cmd || Name
|-
|-
| 0 ||
| 0 || [[#GetProcessEventHandle]]
|-
|-
| 1 ||
| 1 || [[#GetProcessEventInfo]]
|}
|}
== GetProcessEventHandle ==
This takes no input and returns an output copy event handle.
== GetProcessEventInfo ==
This takes no input and attempts to receive a [[Process_Manager_services#ProcessEventInfo]] from the observer's message queue.
Every time a process event occurs, pgl receives the event from PM (it does pm:shell->GetProcessEventHandle() during startup and has a thread looping pm:shell->GetProcessEventInfo() to track process events.
PGL sends to all observers' message queues a [[Process_Manager_services#ProcessEventInfo]] for each event it receives, thus allowing for multiple subscribers to process events.