From f173b7715cf1385db1cea67a3db07bb7d38174e9 Mon Sep 17 00:00:00 2001
From: pommicket <pommicket@gmail.com>
Date: Sun, 1 Jan 2023 23:16:38 -0500
Subject: finish os.h amalgamation

---
 process-win.c | 137 ----------------------------------------------------------
 1 file changed, 137 deletions(-)
 delete mode 100644 process-win.c

(limited to 'process-win.c')

diff --git a/process-win.c b/process-win.c
deleted file mode 100644
index 58b7f73..0000000
--- a/process-win.c
+++ /dev/null
@@ -1,137 +0,0 @@
-#error "@TODO :  implement process_write, separate_stderr, working_directory"
-
-#include "process.h"
-
-struct Process {
-	HANDLE pipe_read, pipe_write;
-	HANDLE job;
-	PROCESS_INFORMATION process_info;
-	char error[200];
-};
-
-static void get_last_error_str(char *out, size_t out_sz) {
-	size_t size = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
-         NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), out, (DWORD)out_sz - 1, NULL);
-	out[size] = 0;
-	char *cr = strchr(out, '\r');
-	if (cr) *cr = '\0'; // get rid of carriage return+newline at end of error
-}
-
-bool process_run(Process *process, char const *command) {
-	// thanks to https://stackoverflow.com/a/35658917 for the pipe code
-	// thanks to https://devblogs.microsoft.com/oldnewthing/20131209-00/?p=2433 for the job code
-
-	bool success = false;
-	memset(process, 0, sizeof *process);
-	char *command_line = str_dup(command);
-	if (!command_line) {
-		strbuf_printf(process->error, "Out of memory.");
-		return false;
-	}
-	// we need to create a "job" for this, because when you kill a process on windows,
-	// all its children just keep going. so cmd.exe would die, but not the actual build process.
-	// jobs fix this, apparently.
-	HANDLE job = CreateJobObjectA(NULL, NULL);
-	if (job) {
-		JOBOBJECT_EXTENDED_LIMIT_INFORMATION job_info = {0};
-		job_info.BasicLimitInformation.LimitFlags = JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE;
-		SetInformationJobObject(job, JobObjectExtendedLimitInformation, &job_info, sizeof job_info);
-		HANDLE pipe_read, pipe_write;
-		SECURITY_ATTRIBUTES security_attrs = {sizeof(SECURITY_ATTRIBUTES)};
-		security_attrs.bInheritHandle = TRUE;
-		if (CreatePipe(&pipe_read, &pipe_write, &security_attrs, 0)) {
-			STARTUPINFOA startup = {sizeof(STARTUPINFOA)};
-			startup.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;
-			startup.hStdOutput = pipe_write;
-			startup.hStdError = pipe_write;
-			startup.wShowWindow = SW_HIDE;
-			PROCESS_INFORMATION *process_info = &process->process_info;
-			if (CreateProcessA(NULL, command_line, NULL, NULL, TRUE, CREATE_NEW_CONSOLE | CREATE_SUSPENDED,
-				NULL, NULL, &startup, process_info)) {
-				// create a suspended process, add it to the job, then resume (unsuspend) the process
-				if (AssignProcessToJobObject(job, process_info->hProcess)) {
-					if (ResumeThread(process_info->hThread) != (DWORD)-1) {
-						process->job = job;
-						process->pipe_read = pipe_read;
-						process->pipe_write = pipe_write;
-						success = true;
-					}
-				}
-				if (!success) {
-					TerminateProcess(process_info->hProcess, 1);
-					CloseHandle(process_info->hProcess);
-					CloseHandle(process_info->hThread);
-				}
-			} else {
-				char buf[150];
-				get_last_error_str(buf, sizeof buf);
-				strbuf_printf(process->error, "Couldn't run `%s`: %s", command, buf);
-			}
-			free(command_line);
-			if (!success) {
-				CloseHandle(pipe_read);
-				CloseHandle(pipe_write);
-			}
-		} else {
-			char buf[150];
-			get_last_error_str(buf, sizeof buf);
-			strbuf_printf(process->error, "Couldn't create pipe: %s", buf);
-		}
-		if (!success)
-			CloseHandle(job);
-	}
-	return success;
-}
-
-char const *process_geterr(Process *p) {
-	return *p->error ? p->error : NULL;
-}
-
-long long process_read(Process *process, char *data, size_t size) {
-	DWORD bytes_read = 0, bytes_avail = 0, bytes_left = 0;
-	if (PeekNamedPipe(process->pipe_read, data, (DWORD)size, &bytes_read, &bytes_avail, &bytes_left)) {
-		if (bytes_read == 0) {
-			return -1;
-		} else {
-			ReadFile(process->pipe_read, data, (DWORD)size, &bytes_read, NULL); // make sure data is removed from pipe
-			return bytes_read;
-		}
-	} else {
-		char buf[150];
-		get_last_error_str(buf, sizeof buf);
-		strbuf_printf(process->error, "Couldn't read from pipe: %s", buf);
-		return -2;
-	}
-}
-
-void process_kill(Process *process) {
-	CloseHandle(process->job);
-	CloseHandle(process->pipe_read);
-	CloseHandle(process->pipe_write);
-	CloseHandle(process->process_info.hProcess);
-	CloseHandle(process->process_info.hThread);
-}
-
-int process_check_status(Process *process, char *message, size_t message_size) {
-	HANDLE hProcess = process->process_info.hProcess;
-	DWORD exit_code = 1;
-	if (GetExitCodeProcess(hProcess, &exit_code)) {
-		if (exit_code == STILL_ACTIVE) {
-			return 0;
-		} else {
-			process_kill(process);
-			if (exit_code == 0) {
-				str_printf(message, message_size, "exited successfully");
-				return +1;
-			} else {
-				str_printf(message, message_size, "exited with code %d", (int)exit_code);
-				return -1;
-			}
-		}
-	} else {
-		// something has gone wrong.
-		str_printf(message, message_size, "couldn't get process exit status");
-		process_kill(process);
-		return -1;
-	}
-}
-- 
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