Tizen Native API
3.0
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ecore_exe_example.c
This is a process that will send messages to a child and it will stop when it receives "quit". Check the Full tutorial
#include <stdio.h> #include <string.h> #include <Ecore.h> #define BUFFER_SIZE 1024 static Eina_Bool _msg_from_child_handler(void *data EINA_UNUSED, int type EINA_UNUSED, void *event) { Ecore_Exe_Event_Data *dataFromProcess = (Ecore_Exe_Event_Data *)event; char msg[BUFFER_SIZE]; if (dataFromProcess->size >= (BUFFER_SIZE - 1)) { fprintf(stdout, "Data too big for bugger. error\n"); return ECORE_CALLBACK_DONE; } strncpy(msg, dataFromProcess->data, dataFromProcess->size); msg[dataFromProcess->size] = 0; if (strcmp(msg, "quit") == 0) { fprintf(stdout, "My child said to me, QUIT!\n"); ecore_main_loop_quit(); } else fprintf(stdout, "I received a message from my child: %s\n", msg); return ECORE_CALLBACK_DONE; } static Eina_Bool _sendMessage(void *data) { static int numberOfMessages = 0; Ecore_Exe *childHandle = (Ecore_Exe *)data; char msg[BUFFER_SIZE]; sprintf(msg, " Message: %d\n", numberOfMessages); numberOfMessages++; if (ecore_exe_send(childHandle, msg, strlen(msg)) != EINA_TRUE) fprintf(stderr, "Could not send my name to the child\n"); else fprintf(stdout, "I'm the father and I sent this message to the child: %s\n", msg); return ECORE_CALLBACK_RENEW; } int main(void) { pid_t childPid; Ecore_Exe *childHandle; if (!ecore_init()) goto exit; childHandle = ecore_exe_pipe_run("./ecore_exe_example_child", ECORE_EXE_PIPE_WRITE | ECORE_EXE_PIPE_READ_LINE_BUFFERED | ECORE_EXE_PIPE_READ, NULL); if (childHandle == NULL) { fprintf(stderr, "Could not create a child process!\n"); goto ecore_shutdown; } childPid = ecore_exe_pid_get(childHandle); if (childPid == -1) fprintf(stderr, "Could not retrive the PID!\n"); else fprintf(stdout, "The child process has PID:%u\n", (unsigned int)childPid); ecore_event_handler_add(ECORE_EXE_EVENT_DATA, _msg_from_child_handler, NULL); ecore_timer_add(1, _sendMessage, childHandle); ecore_main_loop_begin(); ecore_exe_free(childHandle); //This will not affect the child process ecore_shutdown(); return EXIT_SUCCESS; ecore_shutdown: ecore_shutdown(); exit: return EXIT_FAILURE; }