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diff --git a/src/cmd/ksh93/Mamfile b/src/cmd/ksh93/Mamfile
index abc9ee1a5..d266f2178 100644
--- a/src/cmd/ksh93/Mamfile
+++ b/src/cmd/ksh93/Mamfile
@@ -222,6 +222,10 @@ make install
prev shell.req
make alarm.o
make bltins/alarm.c
+ make include/io.h implicit
+ prev ${PACKAGE_ast_INCLUDE}/sfio.h
+ prev ${PACKAGE_ast_INCLUDE}/ast.h
+ done include/io.h
make FEATURE/time implicit
prev features/time
exec - iffe ${IFFEFLAGS} -v -c "${CC} ${mam_cc_FLAGS} ${CCFLAGS} ${LDFLAGS}" ref ${mam_cc_L+-L.} ${mam_cc_L+-L${INSTALLROOT}/lib} -I${PACKAGE_ast_INCLUDE} -I${INSTALLROOT}/include ${mam_libdll} ${mam_libcmd} ${mam_libast} ${mam_libm} ${mam_libnsl} : run features/time
@@ -239,6 +243,22 @@ make install
done FEATURE/dynamic generated
prev ${PACKAGE_ast_INCLUDE}/option.h
done include/builtins.h
+ make include/shlex.h implicit
+ make include/lexstates.h implicit
+ prev ${PACKAGE_ast_INCLUDE}/wctype.h
+ prev ${PACKAGE_ast_INCLUDE}/wchar.h
+ make FEATURE/locale implicit
+ prev features/locale
+ exec - iffe ${IFFEFLAGS} -v -c "${CC} ${mam_cc_FLAGS} ${CCFLAGS} ${LDFLAGS}" ref ${mam_cc_L+-L.} ${mam_cc_L+-L${INSTALLROOT}/lib} -I${PACKAGE_ast_INCLUDE} -I${INSTALLROOT}/include ${mam_libdll} ${mam_libcmd} ${mam_libast} ${mam_libm} ${mam_libnsl} : run features/locale
+ done FEATURE/locale generated
+ done include/lexstates.h
+ prev include/shtable.h
+ make include/shnodes.h implicit
+ prev include/argnod.h implicit
+ prev ${PACKAGE_ast_INCLUDE}/ast.h
+ done include/shnodes.h
+ prev ${PACKAGE_ast_INCLUDE}/cdt.h
+ done include/shlex.h
prev ${PACKAGE_ast_INCLUDE}/error.h
make include/defs.h implicit
prev include/regress.h implicit
@@ -246,7 +266,7 @@ make install
prev include/shell.h
prev ${PACKAGE_ast_INCLUDE}/endian.h
prev include/name.h
- prev include/argnod.h implicit
+ prev include/argnod.h
prev ${PACKAGE_ast_INCLUDE}/cdt.h
prev FEATURE/externs
prev ${PACKAGE_ast_INCLUDE}/error.h
@@ -292,10 +312,7 @@ make install
make cflow.o
make bltins/cflow.c
prev include/builtins.h
- make include/shnodes.h implicit
- prev include/argnod.h
- prev ${PACKAGE_ast_INCLUDE}/ast.h
- done include/shnodes.h
+ prev include/shnodes.h
prev ${PACKAGE_ast_INCLUDE}/error.h
prev ${PACKAGE_ast_INCLUDE}/ast.h
prev include/defs.h
@@ -341,10 +358,7 @@ make install
done FEATURE/ttys generated
done include/terminal.h
prev ${PACKAGE_ast_INCLUDE}/sig.h
- make FEATURE/locale implicit
- prev features/locale
- exec - iffe ${IFFEFLAGS} -v -c "${CC} ${mam_cc_FLAGS} ${CCFLAGS} ${LDFLAGS}" ref ${mam_cc_L+-L.} ${mam_cc_L+-L${INSTALLROOT}/lib} -I${PACKAGE_ast_INCLUDE} -I${INSTALLROOT}/include ${mam_libdll} ${mam_libcmd} ${mam_libast} ${mam_libm} ${mam_libnsl} : run features/locale
- done FEATURE/locale generated
+ prev FEATURE/locale
make FEATURE/cmds implicit
prev features/cmds
exec - iffe ${IFFEFLAGS} -v -c "${CC} ${mam_cc_FLAGS} ${CCFLAGS} ${LDFLAGS}" ref ${mam_cc_L+-L.} ${mam_cc_L+-L${INSTALLROOT}/lib} -I${PACKAGE_ast_INCLUDE} -I${INSTALLROOT}/include ${mam_libdll} ${mam_libcmd} ${mam_libast} ${mam_libm} ${mam_libnsl} : run features/cmds
@@ -353,6 +367,7 @@ make install
prev include/builtins.h
prev include/history.h
prev include/name.h
+ prev include/io.h
make include/io.h implicit
prev ${PACKAGE_ast_INCLUDE}/sfio.h
prev ${PACKAGE_ast_INCLUDE}/ast.h
@@ -443,11 +458,7 @@ make install
prev include/builtins.h
prev include/name.h
prev include/io.h
- make include/lexstates.h implicit
- prev ${PACKAGE_ast_INCLUDE}/wctype.h
- prev ${PACKAGE_ast_INCLUDE}/wchar.h
- prev FEATURE/locale
- done include/lexstates.h
+ prev include/lexstates.h
prev include/variables.h
prev include/defs.h
prev ${PACKAGE_ast_INCLUDE}/error.h
@@ -545,12 +556,7 @@ make install
make whence.o
make bltins/whence.c
prev include/builtins.h
- make include/shlex.h implicit
- prev include/lexstates.h
- prev include/shtable.h
- prev include/shnodes.h
- prev ${PACKAGE_ast_INCLUDE}/cdt.h
- done include/shlex.h
+ prev include/shlex.h
prev include/path.h
prev include/name.h
prev include/shtable.h
diff --git a/src/cmd/ksh93/bltins/alarm.c b/src/cmd/ksh93/bltins/alarm.c
index f31bed711..63d4d6cbf 100644
--- a/src/cmd/ksh93/bltins/alarm.c
+++ b/src/cmd/ksh93/bltins/alarm.c
@@ -23,21 +23,13 @@
*
*/
-/*
- * TODO: 2014 email from David Korn cited at <https://bugzilla.redhat.com/1176670>:
- *
- * > I never documented the alarm builtin because it is problematic. The
- * > problem is that traps can't safely be handled asynchronously. What should
- * > happen is that the trap is marked for execution (sh.trapnote) and run after
- * > the current command completes. The time trap should wake up the shell if
- * > it is blocked and it should return and then handle the trap.
- */
-
#include "shopt.h"
#include "defs.h"
#include <error.h>
+#include <shlex.h>
#include "builtins.h"
#include "FEATURE/time"
+#include "io.h"
#define R_FLAG 1
#define L_FLAG 2
@@ -147,7 +139,26 @@ void sh_timetraps(void)
{
tp->flags &= ~L_FLAG;
if(tp->action)
- sh_fun(tp->action,tp->node,NULL);
+ {
+ /* Call the alarm discipline function. This may occur at any time including parse time,
+ * so save the lexer state and push/pop context to make sure we can restore it. */
+ struct checkpt checkpoint;
+ int jmpval;
+ int savexit = sh.savexit;
+ Lex_t *lexp = (Lex_t*)sh.lex_context, savelex = *lexp;
+ sh_lexopen(lexp, 0); /* needs full init (0), not what it calls reinit (1) */
+ sh_pushcontext(&checkpoint, 1);
+ jmpval = sigsetjmp(checkpoint.buff,0);
+ if(!jmpval)
+ sh_fun(tp->action,tp->node,NULL);
+ sh_popcontext(&checkpoint);
+ if(sh.topfd != checkpoint.topfd)
+ sh_iorestore(checkpoint.topfd,jmpval);
+ *lexp = savelex;
+ sh.savexit = savexit; /* avoid influencing $? */
+ if(jmpval)
+ siglongjmp(*sh.jmplist,jmpval);
+ }
tp->flags &= ~L_FLAG;
if(!tp->flags)
nv_unset(tp->node);
|
