The relevant man page for POSIX OS-level signals is
- man 7 signal
- man 2 sigaction
Windows API does not have process-level signals and emulates some signals of POSIX:
UNIX Application Migration Guide?redirectedfrom=MSDN#ucmgch09_topic3)
"When an application uses other signals not supported in Windows, you have two choices:
- Use additional libraries that provide required signals, such as those provided by Microsoft Windows Services for UNIX.
- Use a comparable Windows mechanism, such as Windows Messages."