SliTaz Repositories

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/erlang/stuff/otp_src_R12B-5_OTP-7738.patch	Mon Feb 27 09:12:19 2012 +0100
     1.3 @@ -0,0 +1,190 @@
     1.4 +diff -Naur otp_src_R12B-5/erts/emulator/beam/erl_gc.c otp_src_R12B-5_OTP-7738/erts/emulator/beam/erl_gc.c
     1.5 +--- otp_src_R12B-5/erts/emulator/beam/erl_gc.c	2008-11-04 11:51:44.000000000 +0100
     1.6 ++++ otp_src_R12B-5_OTP-7738/erts/emulator/beam/erl_gc.c	2009-01-14 10:03:47.000000000 +0100
     1.7 +@@ -341,7 +341,6 @@
     1.8 + {
     1.9 +     Uint reclaimed_now = 0;
    1.10 +     int done = 0;
    1.11 +-    Uint saved_status = p->status;
    1.12 +     Uint ms1, s1, us1;
    1.13 + 
    1.14 +     if (IS_TRACED_FL(p, F_TRACE_GC)) {
    1.15 +@@ -349,6 +348,7 @@
    1.16 +     }
    1.17 + 
    1.18 +     erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS);
    1.19 ++    p->gcstatus = p->status;
    1.20 +     p->status = P_GARBING;
    1.21 +     if (erts_system_monitor_long_gc != 0) {
    1.22 + 	get_now(&ms1, &s1, &us1);
    1.23 +@@ -384,7 +384,7 @@
    1.24 +     ErtsGcQuickSanityCheck(p);
    1.25 + 
    1.26 +     erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS);
    1.27 +-    p->status = saved_status;
    1.28 ++    p->status = p->gcstatus;
    1.29 +     erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS);
    1.30 +     if (IS_TRACED_FL(p, F_TRACE_GC)) {
    1.31 +         trace_gc(p, am_gc_end);
    1.32 +@@ -449,7 +449,6 @@
    1.33 + void
    1.34 + erts_garbage_collect_hibernate(Process* p)
    1.35 + {
    1.36 +-    Uint saved_status = p->status;
    1.37 +     Uint heap_size;
    1.38 +     Eterm* heap;
    1.39 +     Eterm* htop;
    1.40 +@@ -466,6 +465,7 @@
    1.41 +      * Preliminaries.
    1.42 +      */
    1.43 +     erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS);
    1.44 ++    p->gcstatus = p->status;
    1.45 +     p->status = P_GARBING;
    1.46 +     erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS);
    1.47 +     erts_smp_locked_activity_begin(ERTS_ACTIVITY_GC);
    1.48 +@@ -580,7 +580,7 @@
    1.49 +     ErtsGcQuickSanityCheck(p);
    1.50 + 
    1.51 +     erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS);
    1.52 +-    p->status = saved_status;
    1.53 ++    p->status = p->gcstatus;
    1.54 +     erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS);
    1.55 +     erts_smp_locked_activity_end(ERTS_ACTIVITY_GC);
    1.56 + }
    1.57 +@@ -589,7 +589,6 @@
    1.58 + void
    1.59 + erts_garbage_collect_literals(Process* p, Eterm* literals, Uint lit_size)
    1.60 + {
    1.61 +-    Uint saved_status = p->status;
    1.62 +     Uint byte_lit_size = sizeof(Eterm)*lit_size;
    1.63 +     Uint old_heap_size;
    1.64 +     Eterm* temp_lit;
    1.65 +@@ -605,6 +604,7 @@
    1.66 +      * Set GC state.
    1.67 +      */
    1.68 +     erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS);
    1.69 ++    p->gcstatus = p->status;
    1.70 +     p->status = P_GARBING;
    1.71 +     erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS);
    1.72 +     erts_smp_locked_activity_begin(ERTS_ACTIVITY_GC);
    1.73 +@@ -708,7 +708,7 @@
    1.74 +      * Restore status.
    1.75 +      */
    1.76 +     erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS);
    1.77 +-    p->status = saved_status;
    1.78 ++    p->status = p->gcstatus;
    1.79 +     erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS);
    1.80 +     erts_smp_locked_activity_end(ERTS_ACTIVITY_GC);
    1.81 + }
    1.82 +diff -Naur otp_src_R12B-5/erts/emulator/beam/erl_message.c otp_src_R12B-5_OTP-7738/erts/emulator/beam/erl_message.c
    1.83 +--- otp_src_R12B-5/erts/emulator/beam/erl_message.c	2008-09-01 14:51:20.000000000 +0200
    1.84 ++++ otp_src_R12B-5_OTP-7738/erts/emulator/beam/erl_message.c	2009-01-14 10:03:47.000000000 +0100
    1.85 +@@ -295,10 +295,27 @@
    1.86 + 
    1.87 +     ACTIVATE(receiver);
    1.88 + 
    1.89 +-    if (receiver->status == P_WAITING) {
    1.90 +-	add_to_schedule_q(receiver);
    1.91 +-    } else if (receiver->status == P_SUSPENDED) {
    1.92 ++    switch (receiver->status) {
    1.93 ++    case P_GARBING:
    1.94 ++	switch (receiver->gcstatus) {
    1.95 ++	case P_SUSPENDED:
    1.96 ++	    goto suspended;
    1.97 ++	case P_WAITING:
    1.98 ++	    goto waiting;
    1.99 ++	default:
   1.100 ++	    break;
   1.101 ++	}
   1.102 ++	break;
   1.103 ++    case P_SUSPENDED:
   1.104 ++    suspended:
   1.105 + 	receiver->rstatus = P_RUNABLE;
   1.106 ++	break;
   1.107 ++    case P_WAITING:
   1.108 ++    waiting:
   1.109 ++	add_to_schedule_q(receiver);
   1.110 ++	break;
   1.111 ++    default:
   1.112 ++	break;
   1.113 +     }
   1.114 + 
   1.115 +     if (IS_TRACED_FL(receiver, F_TRACE_RECEIVE)) {
   1.116 +diff -Naur otp_src_R12B-5/erts/emulator/beam/erl_process.c otp_src_R12B-5_OTP-7738/erts/emulator/beam/erl_process.c
   1.117 +--- otp_src_R12B-5/erts/emulator/beam/erl_process.c	2008-11-04 11:51:10.000000000 +0100
   1.118 ++++ otp_src_R12B-5_OTP-7738/erts/emulator/beam/erl_process.c	2009-01-14 10:03:47.000000000 +0100
   1.119 +@@ -473,21 +473,33 @@
   1.120 + static ERTS_INLINE void
   1.121 + resume_process(Process *p)
   1.122 + {
   1.123 ++    Uint32 *statusp;
   1.124 +     ERTS_SMP_LC_ASSERT(ERTS_PROC_LOCK_STATUS & erts_proc_lc_my_proc_locks(p));
   1.125 +-    /* We may get called from trace([suspend], false) */
   1.126 +-    if (p->status != P_SUSPENDED)
   1.127 ++    switch (p->status) {
   1.128 ++    case P_SUSPENDED:
   1.129 ++	statusp = &p->status;
   1.130 ++	break;
   1.131 ++    case P_GARBING:
   1.132 ++	if (p->gcstatus == P_SUSPENDED) {
   1.133 ++	    statusp = &p->gcstatus;
   1.134 ++	    break;
   1.135 ++	}
   1.136 ++	/* Fall through */
   1.137 ++    default:
   1.138 + 	return;
   1.139 ++    }
   1.140 ++
   1.141 +     ASSERT(p->rcount > 0);
   1.142 + 
   1.143 +     if (--p->rcount > 0)  /* multiple suspend i.e trace and busy port */
   1.144 + 	return;
   1.145 +     switch(p->rstatus) {
   1.146 +     case P_RUNABLE:
   1.147 +-	p->status = P_WAITING;  /* make add_to_schedule_q work */
   1.148 ++	*statusp = P_WAITING;  /* make add_to_schedule_q work */
   1.149 + 	add_to_schedule_q(p);
   1.150 + 	break;
   1.151 +     case P_WAITING:
   1.152 +-	p->status = P_WAITING;
   1.153 ++	*statusp = P_WAITING;
   1.154 + 	break;
   1.155 +     default:
   1.156 + 	erl_exit(1, "bad state in resume_process()\n");
   1.157 +@@ -1548,8 +1560,16 @@
   1.158 +     else
   1.159 + 	sq->last->next = p;
   1.160 +     sq->last = p;
   1.161 +-    if (p->status != P_EXITING) {
   1.162 ++
   1.163 ++    switch (p->status) {
   1.164 ++    case P_EXITING:
   1.165 ++	break;
   1.166 ++    case P_GARBING:
   1.167 ++	p->gcstatus = P_RUNABLE;
   1.168 ++	break;
   1.169 ++    default:
   1.170 + 	p->status = P_RUNABLE;
   1.171 ++	break;
   1.172 +     }
   1.173 + 
   1.174 +     runq_len++;
   1.175 +@@ -2925,6 +2945,7 @@
   1.176 +     p->max_gen_gcs = 0;
   1.177 +     p->min_heap_size = 0;
   1.178 +     p->status = P_RUNABLE;
   1.179 ++    p->gcstatus = P_RUNABLE;
   1.180 +     p->rstatus = P_RUNABLE;
   1.181 +     p->rcount = 0;
   1.182 +     p->id = ERTS_INVALID_PID;
   1.183 +diff -Naur otp_src_R12B-5/erts/emulator/beam/erl_process.h otp_src_R12B-5_OTP-7738/erts/emulator/beam/erl_process.h
   1.184 +--- otp_src_R12B-5/erts/emulator/beam/erl_process.h	2008-11-04 11:51:11.000000000 +0100
   1.185 ++++ otp_src_R12B-5_OTP-7738/erts/emulator/beam/erl_process.h	2009-01-14 10:03:47.000000000 +0100
   1.186 +@@ -207,6 +207,7 @@
   1.187 + 				 * Only valid for the current process.
   1.188 + 				 */
   1.189 +     Uint32 status;		/* process STATE */
   1.190 ++    Uint32 gcstatus;		/* process gc STATE */
   1.191 +     Uint32 rstatus;		/* process resume STATE */
   1.192 +     Uint32 rcount;		/* suspend count */
   1.193 +     Eterm id;			/* The pid of this process */