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Kernel: make SIGKMESS target process list dynamic

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The set of processes to which a SIGKMESS signal is sent whenever new
diagnostics messages are added to the kernel's message buffer, is now
no longer hardcoded. Instead, processes can (un)register themselves
to receive such notifications, by means of sys_diagctl().

Change-Id: I9d6ac006a5d9bbfad2757587a068fc1ec3cc083e
This commit is contained in:
David van Moolenbroek
2013-09-21 15:03:20 +02:00
committed by Lionel Sambuc
parent de975579a4
commit 8fea5ab8bd
16 changed files with 65 additions and 34 deletions
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2
lib/libsys/kputc.c
View File

@@ -20,7 +20,7 @@ void kputc(int c)
static int buf_count; /* # characters in the buffer */
if ((c == 0 && buf_count > 0) || buf_count == sizeof(print_buf)) {
sys_diagctl(DIAGCTL_CODE_DIAG, print_buf, buf_count);
sys_diagctl_diag(print_buf, buf_count);
buf_count = 0;
}
if (c != 0) {

6
lib/libsys/sys_diagctl.c
View File

@@ -11,9 +11,3 @@ int sys_diagctl(int code, char *arg1, int arg2)
return(_kernel_call(SYS_DIAGCTL, &m));
}
int sys_diagctl_stacktrace(endpoint_t ep)
{
return sys_diagctl(DIAGCTL_CODE_STACKTRACE, NULL, ep);
}