isr_send_signal

Summary	#include <rtx51tny.h> char isr_send_signal ( unsigned char task_id); /* Task to signal */
Description	The isr_send_signal function sends a signal to task task_id. If the specified task is already waiting for a signal, this function readies the task for execution but does not start it. Otherwise, the signal is stored in the signal flag of the task. Note This function is part of the RTX51 Tiny Real-Time Operating System which is included only with the PK51 Professional Developer's Kit. This function may be called only from interrupt functions.
Return Value	The isr_send_signal function returns a value of 0 if successful and -1 if the specified task does not exist.
See Also	os_clear_signal, os_send_signal, os_wait
Example	#include <rtx51tny.h> void tst_isr_send_signal (void) interrupt 2 { isr_send_signal (8); /* signal task #8 */ }