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#ifndef QUICKMEDIA_PROGRAM_H
#define QUICKMEDIA_PROGRAM_H
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
pid_t pid;
int read_fd;
int write_fd;
} ProgramPipe;
/* Return 0 if you want to continue reading. @data is null-terminated */
typedef int (*ProgramOutputCallback)(char *data, int size, void *userdata);
/*
@args need to have at least 2 arguments. The first which is the program name
and the last which is NULL, which indicates end of args
*/
int exec_program(const char **args, ProgramOutputCallback output_callback, void *userdata);
// Return the exit status, or a negative value if waiting failed
int wait_program(pid_t process_id);
/*
@args need to have at least 2 arguments. The first which is the program name
and the last which is NULL, which indicates end of args
*/
int exec_program_async(const char **args, pid_t *result_process_id);
#if 0
int program_pipe_write(ProgramPipe *self, const char *data, size_t size);
int program_pipe_read(ProgramPipe *self, ProgramOutputCallback output_callback, void *userdata);
void program_pipe_close(ProgramPipe *self);
#endif
#ifdef __cplusplus
}
#endif
#endif
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