From a7a8ae428de1ce96015914b05370d6d44a57d9ad Mon Sep 17 00:00:00 2001 From: rodrigc Date: Wed, 5 Nov 2008 19:35:43 +0000 Subject: Merge latest DTrace changes from Perforce. Update libproc API to reflect new changes. Approved by: jb --- lib/libproc/libproc.h | 5 ++++- lib/libproc/proc_create.c | 8 ++++++-- 2 files changed, 10 insertions(+), 3 deletions(-) (limited to 'lib/libproc') diff --git a/lib/libproc/libproc.h b/lib/libproc/libproc.h index c67cfe6..eccf37d 100644 --- a/lib/libproc/libproc.h +++ b/lib/libproc/libproc.h @@ -33,6 +33,8 @@ struct proc_handle; +typedef void (*proc_child_func)(void *); + /* Values returned by proc_state(). */ #define PS_IDLE 1 #define PS_STOP 2 @@ -55,7 +57,8 @@ int proc_addr2sym(struct proc_handle *, uintptr_t, char *, size_t, GElf_Sym *); int proc_attach(pid_t pid, int flags, struct proc_handle **pphdl); int proc_continue(struct proc_handle *); int proc_clearflags(struct proc_handle *, int); -int proc_create(const char *, char * const *, struct proc_handle **); +int proc_create(const char *, char * const *, proc_child_func *, void *, + struct proc_handle **); int proc_detach(struct proc_handle *); int proc_getflags(struct proc_handle *); int proc_name2sym(struct proc_handle *, const char *, const char *, GElf_Sym *); diff --git a/lib/libproc/proc_create.c b/lib/libproc/proc_create.c index 8648999..1649b47 100644 --- a/lib/libproc/proc_create.c +++ b/lib/libproc/proc_create.c @@ -90,7 +90,8 @@ proc_attach(pid_t pid, int flags, struct proc_handle **pphdl) } int -proc_create(const char *file, char * const *argv, struct proc_handle **pphdl) +proc_create(const char *file, char * const *argv, proc_child_func *pcf, + void *child_arg, struct proc_handle **pphdl) { struct proc_handle *phdl; struct kevent kev; @@ -106,13 +107,16 @@ proc_create(const char *file, char * const *argv, struct proc_handle **pphdl) return (ENOMEM); /* Fork a new process. */ - if ((pid = fork()) == -1) + if ((pid = vfork()) == -1) error = errno; else if (pid == 0) { /* The child expects to be traced. */ if (ptrace(PT_TRACE_ME, 0, 0, 0) != 0) _exit(1); + if (pcf != NULL) + (*pcf)(child_arg); + /* Execute the specified file: */ execvp(file, argv); -- cgit v1.1