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Code Issues Releases Wiki Activity

Integrated SIGCHLD support with Linux child_process

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This commit is contained in:
Bryan Roe
2020-06-01 22:13:00 -07:00
parent 297b5b1a5c
commit 537e4404c6
4 changed files with 136 additions and 24 deletions
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61
microscript/ILibDuktape_ScriptContainer.c
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@@ -136,6 +136,41 @@ char exeJavaScriptGuid[] = "B996015880544A19B7F7E9BE44914C18";
};
#endif
char *SIGTABLE[] =
{
"INVALID" ,
"SIGHUP" ,
"SIGINT" ,
"SIGQUIT" ,
"SIGILL" ,
"SIGTRAP" ,
"SIGIOT" ,
"SIGBUS" ,
"SIGFPE" ,
"SIGKILL" ,
"SIGUSR1" ,
"SIGSEGV" ,
"SIGUSR2" ,
"SIGPIPE" ,
"SIGALRM" ,
"SIGTERM" ,
"SIGSTKFLT" ,
"SIGCHLD" ,
"SIGCONTv" ,
"SIGSTOP" ,
"SIGTSTP" ,
"SIGTTIN" ,
"SIGTTOU" ,
"SIGURG" ,
"SIGXCPU" ,
"SIGXFSZ" ,
"SIGVTALRM" ,
"SIGPROF" ,
"SIGWINCH" ,
"SIGIO" ,
"SIGPWR"
};
extern void ILibDuktape_MemoryStream_Init(duk_context *ctx);
extern void ILibDuktape_NetworkMonitor_Init(duk_context *ctx);
extern int GenerateSHA384FileHash(char *filePath, char *fileHash);
@@ -945,6 +980,7 @@ void ILibDuktape_ScriptContainer_Process_SignalListener_PreSelect(void* object,
}
void ILibDuktape_ScriptContainer_Process_SignalListener_PostSelect(void* object, int slct, fd_set *readset, fd_set *writeset, fd_set *errorset)
{
int s;
int bytesRead = 0;
char sigbuffer[255];
ILibChain_Link *link = (ILibChain_Link*)object;
@@ -959,15 +995,20 @@ void ILibDuktape_ScriptContainer_Process_SignalListener_PostSelect(void* object,
switch (((int*)sigbuffer)[1])
{
case SIGTERM:
ILibDuktape_EventEmitter_SetupEmit(ctx, h, "SIGTERM");
if (duk_pcall_method(ctx, 1) != 0) { ILibDuktape_Process_UncaughtExceptionEx(ctx, "Error Emitting SIGTERM: "); }
ILibDuktape_EventEmitter_SetupEmit(ctx, h, "SIGTERM"); // [emit][this][SIGTERM]
duk_push_string(ctx, SIGTABLE[((int*)sigbuffer)[1]]); // [emit][this][SIGTERM][name]
if (duk_pcall_method(ctx, 2) != 0) { ILibDuktape_Process_UncaughtExceptionEx(ctx, "Error Emitting SIGTERM: "); }
duk_pop(ctx);
break;
case SIGCHLD:
s = 0;
waitpid(((pid_t*)sigbuffer)[2], &s, 0);
ILibDuktape_EventEmitter_SetupEmit(ctx, h, "SIGCHLD"); // [emit][this][SIGCHLD]
duk_push_int(ctx, ((pid_t*)sigbuffer)[2]); // [emit][this][SIGCHLD][pid]
duk_push_uint(ctx, ((uid_t*)sigbuffer)[3]); // [emit][this][SIGCHLD][pid][uid]
if (duk_pcall_method(ctx, 3) != 0) { ILibDuktape_Process_UncaughtExceptionEx(ctx, "Error Emitting SIGCHLD: "); }
duk_push_string(ctx, SIGTABLE[((int*)sigbuffer)[1]]); // [emit][this][SIGTERM][name]
duk_push_int(ctx, s); // [emit][this][SIGCHLD][name][code]
duk_push_int(ctx, ((pid_t*)sigbuffer)[2]); // [emit][this][SIGCHLD][name][code][pid]
duk_push_uint(ctx, ((uid_t*)sigbuffer)[3]); // [emit][this][SIGCHLD][name][code][pid][uid]
if (duk_pcall_method(ctx, 5) != 0) { ILibDuktape_Process_UncaughtExceptionEx(ctx, "Error Emitting SIGCHLD: "); }
duk_pop(ctx);
break;
default:
@@ -1398,7 +1439,15 @@ void ILibDuktape_ScriptContainer_Process_Init(duk_context *ctx, char **argList)
}
}
#endif
}
void* ILibDuktape_Process_GetSignalListener(duk_context *ctx)
{
void *ret = NULL;
duk_push_global_object(ctx); // [g]
duk_get_prop_string(ctx, -1, "process"); // [g][p]
ret = Duktape_GetPointerProperty(ctx, -1, ILibDuktape_ScriptContainer_Signal_ListenerPtr);
duk_pop_2(ctx); // ...
return(ret);
}
void ILibDuktape_ScriptContainer_ExecTimeout_Finalizer(duk_context *ctx, void *timeoutKey)
{