Module Name: src
Committed By: rillig
Date: Sat Jul 13 15:10:06 UTC 2024
Modified Files:
src/usr.bin/make/unit-tests: cmd-interrupt.exp cmd-interrupt.mk
Log Message:
tests/make: demonstrate interrupting make in compat mode
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/usr.bin/make/unit-tests/cmd-interrupt.exp
cvs rdiff -u -r1.4 -r1.5 src/usr.bin/make/unit-tests/cmd-interrupt.mk
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.bin/make/unit-tests/cmd-interrupt.exp
diff -u src/usr.bin/make/unit-tests/cmd-interrupt.exp:1.3 src/usr.bin/make/unit-tests/cmd-interrupt.exp:1.4
--- src/usr.bin/make/unit-tests/cmd-interrupt.exp:1.3 Sat Mar 18 22:20:12 2023
+++ src/usr.bin/make/unit-tests/cmd-interrupt.exp Sat Jul 13 15:10:06 2024
@@ -5,4 +5,5 @@ interrupt-ordinary: ok
interrupt-phony: ok
> cmd-interrupt-precious
interrupt-precious: ok
+interrupt-compat expected-fail
exit status 0
Index: src/usr.bin/make/unit-tests/cmd-interrupt.mk
diff -u src/usr.bin/make/unit-tests/cmd-interrupt.mk:1.4 src/usr.bin/make/unit-tests/cmd-interrupt.mk:1.5
--- src/usr.bin/make/unit-tests/cmd-interrupt.mk:1.4 Sat Mar 18 22:20:12 2023
+++ src/usr.bin/make/unit-tests/cmd-interrupt.mk Sat Jul 13 15:10:06 2024
@@ -1,4 +1,4 @@
-# $NetBSD: cmd-interrupt.mk,v 1.4 2023/03/18 22:20:12 sjg Exp $
+# $NetBSD: cmd-interrupt.mk,v 1.5 2024/07/13 15:10:06 rillig Exp $
#
# Tests for interrupting a command.
#
@@ -17,10 +17,16 @@
# See also:
# CompatDeleteTarget
-all: clean-before interrupt-ordinary interrupt-phony interrupt-precious clean-after
+all: clean-before
+all: interrupt-ordinary
+all: interrupt-phony
+all: interrupt-precious
+all: interrupt-compat
+all: clean-after
clean-before clean-after: .PHONY
- @rm -f cmd-interrupt-ordinary cmd-interrupt-phony cmd-interrupt-precious
+ @rm -f cmd-interrupt-ordinary cmd-interrupt-phony
+ @rm -f cmd-interrupt-precious cmd-interrupt-compat
interrupt-ordinary:
@${.MAKE} ${MAKEFLAGS} -f ${MAKEFILE} cmd-interrupt-ordinary || true
@@ -37,6 +43,10 @@ interrupt-precious: .PRECIOUS
# The ././ is necessary to work around the file cache.
@echo ${.TARGET}: ${exists(././cmd-interrupt-precious) :? ok : error }
+interrupt-compat:
+ @${MAKE} -f ${MAKEFILE} cmd-interrupt-compat || true
+ @echo ${.TARGET} ${exists(././cmd-interrupt-compat) :? expected-fail : unexpected-ok }
+
cmd-interrupt-ordinary:
> ${.TARGET}
@kill -INT ${.MAKE.PID}
@@ -48,3 +58,11 @@ cmd-interrupt-phony: .PHONY
cmd-interrupt-precious: .PRECIOUS
> ${.TARGET}
@kill -INT ${.MAKE.PID}
+
+# When the make process (and not the process group) is interrupted in compat
+# mode, it first tries to interrupt the process group of the currently running
+# child command, but that fails since there is no such process group, rather
+# the child command runs in the same process group as make itself. The child
+# command then continues, and after sleeping a bit creates the target file.
+cmd-interrupt-compat:
+ @kill -INT ${.MAKE.PID} && sleep 1 && > ${.TARGET}