lib/libproc/proc_util.c

44 proc_clearflags(struct proc_handle *phdl, int mask)
47 	if (phdl == NULL)
50 	phdl->flags &= ~mask;
59 proc_continue(struct proc_handle *phdl)
63 	if (phdl == NULL)
66 	if (phdl->status == PS_STOP && WSTOPSIG(phdl->wstat) != SIGTRAP)
67 		pending = WSTOPSIG(phdl->wstat);
68 	if (ptrace(PT_CONTINUE, phdl->pid, (caddr_t)(uintptr_t)1, pending) != 0)
71 	phdl->status = PS_RUN;
77 proc_detach(struct proc_handle *phdl, int reason)
81 	if (phdl == NULL)
84 		kill(phdl->pid, SIGKILL);
87 	if (ptrace(PT_DETACH, phdl->pid, 0, 0) != 0 && errno == ESRCH)
90 		kill(phdl->pid, SIGSTOP);
91 		waitpid(phdl->pid, &status, WUNTRACED);
92 		ptrace(PT_DETACH, phdl->pid, 0, 0);
93 		kill(phdl->pid, SIGCONT);
101 proc_getflags(struct proc_handle *phdl)
104 	if (phdl == NULL)
107 	return(phdl->flags);
111 proc_setflags(struct proc_handle *phdl, int mask)
114 	if (phdl == NULL)
117 	phdl->flags |= mask;
123 proc_state(struct proc_handle *phdl)
126 	if (phdl == NULL)
129 	return (phdl->status);
133 proc_getpid(struct proc_handle *phdl)
136 	if (phdl == NULL)
139 	return (phdl->pid);
143 proc_wstatus(struct proc_handle *phdl)
147 	if (phdl == NULL)
149 	if (waitpid(phdl->pid, &status, WUNTRACED) < 0) {
155 		phdl->status = PS_STOP;
157 		phdl->status = PS_UNDEAD;
158 	phdl->wstat = status;
160 	return (phdl->status);
164 proc_getwstat(struct proc_handle *phdl)
167 	if (phdl == NULL)
170 	return (phdl->wstat);
183 proc_read(struct proc_handle *phdl, void *buf, size_t size, size_t addr)
187 	if (phdl == NULL)
194 	if (ptrace(PT_IO, phdl->pid, (caddr_t)&piod, 0) < 0)
200 proc_getlwpstatus(struct proc_handle *phdl)
203 	lwpstatus_t *psp = &phdl->lwps;
206 	if (phdl == NULL)
208 	if (ptrace(PT_LWPINFO, phdl->pid, (caddr_t)&lwpinfo,