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Build # 25799776167

Build Type

push

github

Committed by web-flow

Commit Message

mapserv: exit FastCGI loop promptly on SIGTERM/SIGUSR1 (#7504)

When mapserv is built with FastCGI and is idle inside FCGI_Accept(),
SIGTERM only sets finish_process=1 and is masked by the SA_RESTART
default of signal(), so the blocking accept()/select() resumes and the
process appears hung until the next request arrives.

Call FCGX_ShutdownPending() from the handler (signal-safe; sets
libfcgi's internal shutdown flag) and install handlers via sigaction()
with sa_flags=0 so the syscall returns EINTR. libfcgi then returns -1
from FCGI_Accept() and the loop exits cleanly.

Assisted-by: GitHub Copilot (Claude Opus 4.7)

Co-authored-by: Even Rouault <even.rouault@spatialys.com>

Coverage Stats

7 of 8 new or added lines in 1 file covered. (87.5%)

1 existing line in 1 file now uncovered.

64639 of 152312 relevant lines covered (42.44%)

27394.91 hits per line