gtpc2m3w | C/C++ Language Support User's Guide |
This function permits a process to obtain its process identifier (ID).
Format
#include <unistd.h> pid_t getpid(void);
Normal Return
The getpid function is always successful.
The getpid function returns the process ID of the calling process.
Error Return
Not applicable.
Programming Considerations
None.
Examples
The following example shows how to print the current process ID.
#include <stdio.h> #include <unistd.h>
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printf("My PID = %d\n", getpid()); {
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