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82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
#ifndef SC_PROCESS_H
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#define SC_PROCESS_H
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#include "common.h"
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#include <stdbool.h>
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#ifdef _WIN32
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// not needed here, but winsock2.h must never be included AFTER windows.h
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# include <winsock2.h>
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# include <windows.h>
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# define PATH_SEPARATOR '\\'
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# define PRIexitcode "lu"
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// <https://stackoverflow.com/a/44383330/1987178>
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# define PRIsizet "Iu"
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# define PROCESS_NONE NULL
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# define NO_EXIT_CODE -1u // max value as unsigned
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typedef HANDLE process_t;
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typedef DWORD exit_code_t;
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#else
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# include <sys/types.h>
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# define PATH_SEPARATOR '/'
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# define PRIsizet "zu"
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# define PRIexitcode "d"
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# define PROCESS_NONE -1
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# define NO_EXIT_CODE -1
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typedef pid_t process_t;
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typedef int exit_code_t;
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#endif
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enum process_result {
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PROCESS_SUCCESS,
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PROCESS_ERROR_GENERIC,
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PROCESS_ERROR_MISSING_BINARY,
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};
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// execute the command and write the result to the output parameter "process"
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enum process_result
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process_execute(const char *const argv[], process_t *process);
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// kill the process
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bool
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process_terminate(process_t pid);
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// wait and close the process (like waitpid())
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// the "close" flag indicates if the process must be "closed" (reaped)
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// (passing false is equivalent to enable WNOWAIT in waitid())
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exit_code_t
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process_wait(process_t pid, bool close);
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// close the process
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//
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// Semantically, process_wait(close) = process_wait(noclose) + process_close
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void
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process_close(process_t pid);
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// convenience function to wait for a successful process execution
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// automatically log process errors with the provided process name
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bool
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process_check_success(process_t proc, const char *name, bool close);
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#ifndef _WIN32
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// only used to find package manager, not implemented for Windows
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bool
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search_executable(const char *file);
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#endif
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// return the absolute path of the executable (the scrcpy binary)
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// may be NULL on error; to be freed by SDL_free
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char *
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get_executable_path(void);
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// returns true if the file exists and is not a directory
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bool
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is_regular_file(const char *path);
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#endif
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