diff options
Diffstat (limited to 'libgo/mksigtab.sh')
| -rw-r--r-- | libgo/mksigtab.sh | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/libgo/mksigtab.sh b/libgo/mksigtab.sh index 11e4ec436bd..bea8739957e 100644 --- a/libgo/mksigtab.sh +++ b/libgo/mksigtab.sh @@ -26,7 +26,6 @@ SIGLIST="" # Handle signals valid on all Unix systems. addsig() { - echo " $1: $2," # Get the signal number and add it to SIGLIST signum=`grep "const $1 = " gen-sysinfo.go | sed -e 's/.* = //'` if echo "$signum" | grep '^_SIG[A-Z0-9_]*$' >/dev/null 2>&1; then @@ -34,7 +33,12 @@ addsig() { # This is needed for some MIPS signals defined as aliases of other signals signum=`grep "const $signum = " gen-sysinfo.go | sed -e 's/.* = //'` fi - SIGLIST=$SIGLIST"_${signum}_" + # Only add signal if the signal number isn't in the list yet. + # For example, musl libc uses signal 29 for both SIGIO and SIGPOLL. + if ! echo "$SIGLIST" | grep "_${signum}_" >/dev/null 2>&1; then + echo " $1: $2," + SIGLIST=$SIGLIST"_${signum}_" + fi } echo ' 0: {0, "SIGNONE: no trap"},' @@ -95,10 +99,12 @@ checksig _SIGLOST ' {_SigNotify, "SIGLOST: resource lost (Sun); server died (G # Special handling of signals 32 and 33 on GNU/Linux systems, # because they are special to glibc. +# Signal 34 is additionally special to Linux systems with musl. if test "${GOOS}" = "linux"; then - SIGLIST=$SIGLIST"_32__33_" + SIGLIST=$SIGLIST"_32__33__34_" echo ' 32: {_SigSetStack + _SigUnblock, "signal 32"}, /* SIGCANCEL; see issue 6997 */' echo ' 33: {_SigSetStack + _SigUnblock, "signal 33"}, /* SIGSETXID; see issues 3871, 9400, 12498 */' + echo ' 34: {_SigSetStack + _SigUnblock, "signal 34"}, /* musl SIGSYNCCALL; see issue 39343 */' fi if test "${GOOS}" = "aix"; then |