package/hotplug2/patches/110-static_worker.patch

   1 --- a/Makefile
   2 +++ b/Makefile
   3 @@ -4,7 +4,24 @@ SOFTWARE=hotplug2
   4  VERSION=1.0-alpha
   5
   6  BINS=hotplug2 hotplug2-modwrap
   7 -SUBDIRS=parser rules workers
   8 +SUBDIRS=parser rules
   9 +
  10 +hotplug2-objs := \
  11 +       hotplug2.o netlink.o seqnum.o settings.o uevent.o xmemutils.o \
  12 +       workers/loader.o parser/parser.o parser/buffer.o parser/token.o \
  13 +       parser/token_queue.o parser/lexer.o rules/ruleset.o rules/rule.o \
  14 +       rules/condition.o rules/expression.o rules/execution.o \
  15 +       rules/command.o
  16 +
  17 +ifdef STATIC_WORKER
  18 +  ifeq ($(wildcard workers/worker_$(STATIC_WORKER).c),)
  19 +    $(error Worker source worker/worker_$(STATIC_WORKER).c not found)
  20 +  endif
  21 +  hotplug2-objs += action.o workers/worker_$(STATIC_WORKER).o
  22 +else
  23 +  SUBDIRS += workers
  24 +endif
  25 +
  26  DESTDIR=
  27
  28
  29 @@ -13,13 +30,15 @@ all: $(BINS)
  30  install:
  31         $(INSTALL_BIN) $(BINS) $(DESTDIR)/sbin/
  32
  33 -
  34 -hotplug2: hotplug2.o netlink.o seqnum.o settings.o uevent.o xmemutils.o \
  35 -          workers/loader.o parser/parser.o parser/buffer.o parser/token.o \
  36 -          parser/token_queue.o parser/lexer.o rules/ruleset.o rules/rule.o \
  37 -          rules/condition.o rules/expression.o rules/execution.o \
  38 -          rules/command.o
  39 +hotplug2: $(hotplug2-objs)
  40
  41  coldplug2: coldplug2.o
  42
  43  include common.mak
  44 +
  45 +ifdef STATIC_WORKER
  46 +  CFLAGS += -DSTATIC_WORKER=1
  47 +else
  48 +  CFLAGS += $(FPIC)
  49 +endif
  50 +
  51 --- a/common.mak
  52 +++ b/common.mak
  53 @@ -1,8 +1,11 @@
  54  # vim:set sw=8 nosta:
  55
  56 -CFLAGS=-Os -Wall -g -fPIC
  57 +COPTS=-Os -Wall -g
  58  LDFLAGS=-g -ldl
  59
  60 +CFLAGS=$(COPTS)
  61 +FPIC=-fPIC
  62 +
  63  INSTALL=install -c -m 644
  64  INSTALL_BIN=install -c -m 755
  65
  66 --- a/workers/loader.c
  67 +++ b/workers/loader.c
  68 @@ -1,5 +1,23 @@
  69  #include "loader.h"
  70
  71 +#ifdef STATIC_WORKER
  72 +
  73 +extern struct worker_module_t worker_module;
  74 +static struct loader_ctx_t static_ctx = {
  75 +       .module = &worker_module
  76 +};
  77 +
  78 +struct loader_ctx_t *worker_load(const char *name)
  79 +{
  80 +       return &static_ctx;
  81 +}
  82 +
  83 +void worker_free(struct loader_ctx_t *ctx)
  84 +{
  85 +}
  86 +
  87 +#else
  88 +
  89  struct loader_ctx_t *worker_load(const char *name) {
  90         struct loader_ctx_t *ctx;
  91
  92 @@ -12,7 +30,7 @@ struct loader_ctx_t *worker_load(const c
  93                 return NULL;
  94         }
  95
  96 -       ctx->module = dlsym(ctx->dl_handle, "module");
  97 +       ctx->module = dlsym(ctx->dl_handle, "worker_module");
  98         if (ctx->module == NULL) {
  99                 fprintf(stderr, "Loader error: %s\n", dlerror());
 100                 worker_free(ctx);
 101 @@ -31,3 +49,5 @@ void worker_free(struct loader_ctx_t *ct
 102
 103         free(ctx);
 104  }
 105 +
 106 +#endif
 107 --- a/hotplug2.c
 108 +++ b/hotplug2.c
 109 @@ -261,17 +261,21 @@ int main(int argc, char *argv[]) {
 110         }
 111
 112         /* Load the worker. */
 113 +#ifndef STATIC_WORKER
 114         if (settings->worker_name == NULL) {
 115                 fprintf(stderr, "Missing worker name.\n");
 116                 settings_clear(settings);
 117                 exit(1);
 118         }
 119 +#endif
 120         settings->worker = worker_load(settings->worker_name);
 121 +#ifndef STATIC_WORKER
 122         if (settings->worker == NULL) {
 123                 fprintf(stderr, "Unable to load worker: %s\n", settings->worker_name);
 124                 settings_clear(settings);
 125                 exit(1);
 126         }
 127 +#endif
 128
 129         /* Prepare a netlink connection to the kernel. */
 130         settings->netlink_socket = netlink_init();
 131 --- a/workers/worker_example.c
 132 +++ b/workers/worker_example.c
 133 @@ -62,7 +62,7 @@ static int worker_example_process(void *
 134         return 0;
 135  }
 136
 137 -struct worker_module_t module = {
 138 +struct worker_module_t worker_module = {
 139         "Hotplug2 example module",
 140         worker_example_init,
 141         worker_example_deinit,
 142 --- a/workers/worker_fork.c
 143 +++ b/workers/worker_fork.c
 144 @@ -443,7 +443,7 @@ static int worker_fork_process(void *in_
 145         return 0;
 146  }
 147
 148 -struct worker_module_t module = {
 149 +struct worker_module_t worker_module = {
 150         "Hotplug2 forking module",
 151         worker_fork_init,
 152         worker_fork_deinit,
 153 --- a/workers/worker_single.c
 154 +++ b/workers/worker_single.c
 155 @@ -18,7 +18,7 @@ static int worker_single_process(void *s
 156         return 0;
 157  }
 158
 159 -struct worker_module_t module = {
 160 +struct worker_module_t worker_module = {
 161         "Hotplug2 single process module",
 162         worker_single_init,
 163         worker_single_deinit,