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| author | Dmitry Chagin <dchagin@FreeBSD.org> | 2022-05-30 16:55:49 +0000 |
|---|---|---|
| committer | Dmitry Chagin <dchagin@FreeBSD.org> | 2022-05-30 16:55:49 +0000 |
| commit | 7a7cee558501a27e5b7437d012a1139ca77d97f2 (patch) | |
| tree | a044368c223cd628d71d5b113280d51b333dd074 /sys/compat/linux | |
| parent | 669516a1a16efe51f85ef203c3b93e6db7a3ed51 (diff) | |
| download | src-7a7cee558501a27e5b7437d012a1139ca77d97f2.tar.gz src-7a7cee558501a27e5b7437d012a1139ca77d97f2.zip | |
linux(4): Refactor SIGPWR mapping
Map Linux RT signals to the native RT signals starting from SIGRTMIN,
and Linux SIGPWR signal map to after the last RT signal.
MFC after: 2 weeks
Diffstat (limited to 'sys/compat/linux')
| -rw-r--r-- | sys/compat/linux/linux.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/sys/compat/linux/linux.c b/sys/compat/linux/linux.c index f29fc2b6743a..340fdb37e2a2 100644 --- a/sys/compat/linux/linux.c +++ b/sys/compat/linux/linux.c @@ -92,6 +92,8 @@ static int bsd_to_linux_sigtbl[LINUX_SIGTBLSZ] = { LINUX_SIGUSR2 /* SIGUSR2 */ }; +#define LINUX_SIGPWREMU (SIGRTMIN + (LINUX_SIGRTMAX - LINUX_SIGRTMIN) + 1) + static int linux_to_bsd_sigtbl[LINUX_SIGTBLSZ] = { SIGHUP, /* LINUX_SIGHUP */ SIGINT, /* LINUX_SIGINT */ @@ -127,7 +129,7 @@ static int linux_to_bsd_sigtbl[LINUX_SIGTBLSZ] = { * to the first unused FreeBSD signal number. Since Linux supports * signals from 1 to 64 we are ok here as our SIGRTMIN = 65. */ - SIGRTMIN, /* LINUX_SIGPWR */ + LINUX_SIGPWREMU,/* LINUX_SIGPWR */ SIGSYS /* LINUX_SIGSYS */ }; @@ -144,14 +146,14 @@ static inline int linux_to_bsd_rt_signal(int sig) { - return (SIGRTMIN + 1 + sig - LINUX_SIGRTMIN); + return (SIGRTMIN + sig - LINUX_SIGRTMIN); } static inline int bsd_to_linux_rt_signal(int sig) { - return (sig - SIGRTMIN - 1 + LINUX_SIGRTMIN); + return (sig - SIGRTMIN + LINUX_SIGRTMIN); } int @@ -172,7 +174,7 @@ bsd_to_linux_signal(int sig) if (sig <= LINUX_SIGTBLSZ) return (bsd_to_linux_sigtbl[_SIG_IDX(sig)]); - if (sig == SIGRTMIN) + if (sig == LINUX_SIGPWREMU) return (LINUX_SIGPWR); return (bsd_to_linux_rt_signal(sig)); |