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kernel ipc debug: various fixes

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. add receive hooks in the kernel to print asynchronously
	  delivered messages
	. do not rely on MF_REPLY_PEND to decide between calls and errors,
	  as that isn't reliable for asynchronous messages; try both instead
	. add _sendcall() that extract-mfield.sh can then reliably recognize
	  the fields for messages that are sent with just send()
	. add DEBUG_DUMPIPC_NAMES to restrict printed messages to
	  from/to given process names

Change-Id: Ia65eb02a69a2b58e73bf9f009987be06dda774a3
This commit is contained in:
Ben Gras
2013-05-01 19:02:06 +00:00
parent 85fd078707
commit 80846c4a79
10 changed files with 112 additions and 38 deletions
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3
include/minix/syslib.h
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@@ -25,6 +25,7 @@ struct rs_pci;
*==========================================================================*/
int _taskcall(endpoint_t who, int syscallnr, message *msgptr);
int _kernel_call(int syscallnr, message *msgptr);
int _sendcall(endpoint_t who, int type, message *msgptr);
int sys_abort(int how);
int sys_enable_iop(endpoint_t proc_ep);
@@ -157,6 +158,8 @@ int sys_umap_data_fb(endpoint_t proc_ep, vir_bytes vir_addr, vir_bytes
int sys_umap_remote(endpoint_t proc_ep, endpoint_t grantee, int seg,
vir_bytes vir_addr, vir_bytes bytes, phys_bytes *phys_addr);
int send_taskreply(endpoint_t who, endpoint_t endpoint, int status);
/* Shorthands for sys_getinfo() system call. */
#define sys_getkinfo(dst) sys_getinfo(GET_KINFO, dst, 0,0,0)
#define sys_getloadinfo(dst) sys_getinfo(GET_LOADINFO, dst, 0,0,0)