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| Rev 1757 | Rev 1760 | ||
|---|---|---|---|
| Line 122... | Line 122... | ||
| 122 | 122 | ||
| 123 | /** Initialization and allocation for thread_t structure */ |
123 | /** Initialization and allocation for thread_t structure */ |
| 124 | static int thr_constructor(void *obj, int kmflags) |
124 | static int thr_constructor(void *obj, int kmflags) |
| 125 | { |
125 | { |
| 126 | thread_t *t = (thread_t *)obj; |
126 | thread_t *t = (thread_t *)obj; |
| 127 | pfn_t pfn; |
- | |
| 128 | int status; |
127 | int status; |
| 129 | 128 | ||
| 130 | spinlock_initialize(&t->lock, "thread_t_lock"); |
129 | spinlock_initialize(&t->lock, "thread_t_lock"); |
| 131 | link_initialize(&t->rq_link); |
130 | link_initialize(&t->rq_link); |
| 132 | link_initialize(&t->wq_link); |
131 | link_initialize(&t->wq_link); |
| Line 140... | Line 139... | ||
| 140 | if (!t->saved_fpu_context) |
139 | if (!t->saved_fpu_context) |
| 141 | return -1; |
140 | return -1; |
| 142 | # endif |
141 | # endif |
| 143 | #endif |
142 | #endif |
| 144 | 143 | ||
| 145 | pfn = frame_alloc_rc(STACK_FRAMES, FRAME_KA | kmflags,&status); |
144 | t->kstack = frame_alloc_rc(STACK_FRAMES, FRAME_KA | kmflags,&status); |
| 146 | if (status) { |
145 | if (status) { |
| 147 | #ifdef ARCH_HAS_FPU |
146 | #ifdef ARCH_HAS_FPU |
| 148 | if (t->saved_fpu_context) |
147 | if (t->saved_fpu_context) |
| 149 | slab_free(fpu_context_slab,t->saved_fpu_context); |
148 | slab_free(fpu_context_slab,t->saved_fpu_context); |
| 150 | #endif |
149 | #endif |
| 151 | return -1; |
150 | return -1; |
| 152 | } |
151 | } |
| 153 | t->kstack = (__u8 *)PA2KA(PFN2ADDR(pfn)); |
- | |
| 154 | 152 | ||
| 155 | return 0; |
153 | return 0; |
| 156 | } |
154 | } |
| 157 | 155 | ||
| 158 | /** Destruction of thread_t object */ |
156 | /** Destruction of thread_t object */ |
| 159 | static int thr_destructor(void *obj) |
157 | static int thr_destructor(void *obj) |
| 160 | { |
158 | { |
| 161 | thread_t *t = (thread_t *)obj; |
159 | thread_t *t = (thread_t *)obj; |
| 162 | 160 | ||
| 163 | frame_free(ADDR2PFN(KA2PA(t->kstack))); |
161 | frame_free(KA2PA(t->kstack)); |
| 164 | #ifdef ARCH_HAS_FPU |
162 | #ifdef ARCH_HAS_FPU |
| 165 | if (t->saved_fpu_context) |
163 | if (t->saved_fpu_context) |
| 166 | slab_free(fpu_context_slab,t->saved_fpu_context); |
164 | slab_free(fpu_context_slab,t->saved_fpu_context); |
| 167 | #endif |
165 | #endif |
| 168 | return 1; /* One page freed */ |
166 | return 1; /* One page freed */ |