Gnulib module: —
Portability problems fixed by Gnulib:
Portability problems not fixed by Gnulib:
- This function has no impact if <code>SIGALRM</code> is inherited as
ignored; programs should use <code>signal (SIGALRM, SIG_DFL)</code> if
it is important to ensure the alarm will fire.
- Use of this function in multi-threaded applications is not advised.
- This function is missing on some platforms:
mingw (2011), MSVC 9.
- This function is conditionally declared in the non-standard
<io.h> header on some platforms:
mingw (2012 or newer).